Home / 39,722.96-59,584.39-10,140.80

Finding the Fourth Proportional to 39,722.96, 59,584.39 and 10,140.80

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Solution

The fourth proportional to 39,722.96, 59,584.39 and 10,140.80 is: 15,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.96 : 59,584.39 = 10,140.80 : x
  2. Step 2: Convert to fraction form
    39,722.96/59,584.39 = 10,140.80/x
  3. Step 3: Cross multiply
    39,722.96x = 59,584.39 × 10,140.80
  4. Step 4: Simplify right side
    39,722.96x = 604,233,331.41
  5. Step 5: Solve for x
    x = 604,233,331.41/39,722.96
  6. Step 6: Final answer
    x = 15,211.19

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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.