Home / 58,412.61-80,609.42-31,555.13

Finding the Fourth Proportional to 58,412.61, 80,609.42 and 31,555.13

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Solution

The fourth proportional to 58,412.61, 80,609.42 and 31,555.13 is: 43,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.61 : 80,609.42 = 31,555.13 : x
  2. Step 2: Convert to fraction form
    58,412.61/80,609.42 = 31,555.13/x
  3. Step 3: Cross multiply
    58,412.61x = 80,609.42 × 31,555.13
  4. Step 4: Simplify right side
    58,412.61x = 2,543,640,403.17
  5. Step 5: Solve for x
    x = 2,543,640,403.17/58,412.61
  6. Step 6: Final answer
    x = 43,546.08

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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.