Home / 31,641.16-43,671.46-26,330.76

Finding the Fourth Proportional to 31,641.16, 43,671.46 and 26,330.76

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Solution

The fourth proportional to 31,641.16, 43,671.46 and 26,330.76 is: 36,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.16 : 43,671.46 = 26,330.76 : x
  2. Step 2: Convert to fraction form
    31,641.16/43,671.46 = 26,330.76/x
  3. Step 3: Cross multiply
    31,641.16x = 43,671.46 × 26,330.76
  4. Step 4: Simplify right side
    31,641.16x = 1,149,902,732.11
  5. Step 5: Solve for x
    x = 1,149,902,732.11/31,641.16
  6. Step 6: Final answer
    x = 36,341.99

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Half scale
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Double scale
Find fourth proportional to 31,642.16, 43,672.84 and 26,331.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.