Home / 39,720.50-59,588.96-11,641.48

Finding the Fourth Proportional to 39,720.50, 59,588.96 and 11,641.48

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Solution

The fourth proportional to 39,720.50, 59,588.96 and 11,641.48 is: 17,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.50 : 59,588.96 = 11,641.48 : x
  2. Step 2: Convert to fraction form
    39,720.50/59,588.96 = 11,641.48/x
  3. Step 3: Cross multiply
    39,720.50x = 59,588.96 × 11,641.48
  4. Step 4: Simplify right side
    39,720.50x = 693,703,329.91
  5. Step 5: Solve for x
    x = 693,703,329.91/39,720.50
  6. Step 6: Final answer
    x = 17,464.62

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1.5x scale

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.