Home / 39,720.30-59,588.62-11,641.26

Finding the Fourth Proportional to 39,720.30, 59,588.62 and 11,641.26

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Solution

The fourth proportional to 39,720.30, 59,588.62 and 11,641.26 is: 17,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.30 : 59,588.62 = 11,641.26 : x
  2. Step 2: Convert to fraction form
    39,720.30/59,588.62 = 11,641.26/x
  3. Step 3: Cross multiply
    39,720.30x = 59,588.62 × 11,641.26
  4. Step 4: Simplify right side
    39,720.30x = 693,686,618.46
  5. Step 5: Solve for x
    x = 693,686,618.46/39,720.30
  6. Step 6: Final answer
    x = 17,464.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.