Home / 31,526.78-43,510-23,555.16

Finding the Fourth Proportional to 31,526.78, 43,510 and 23,555.16

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Solution

The fourth proportional to 31,526.78, 43,510 and 23,555.16 is: 32,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.78 : 43,510 = 23,555.16 : x
  2. Step 2: Convert to fraction form
    31,526.78/43,510 = 23,555.16/x
  3. Step 3: Cross multiply
    31,526.78x = 43,510 × 23,555.16
  4. Step 4: Simplify right side
    31,526.78x = 1,024,885,011.60
  5. Step 5: Solve for x
    x = 1,024,885,011.60/31,526.78
  6. Step 6: Final answer
    x = 32,508.39

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Double scale
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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.