Home / 39,722.15-59,583.16-10,139.99

Finding the Fourth Proportional to 39,722.15, 59,583.16 and 10,139.99

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Solution

The fourth proportional to 39,722.15, 59,583.16 and 10,139.99 is: 15,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.15 : 59,583.16 = 10,139.99 : x
  2. Step 2: Convert to fraction form
    39,722.15/59,583.16 = 10,139.99/x
  3. Step 3: Cross multiply
    39,722.15x = 59,583.16 × 10,139.99
  4. Step 4: Simplify right side
    39,722.15x = 604,172,646.57
  5. Step 5: Solve for x
    x = 604,172,646.57/39,722.15
  6. Step 6: Final answer
    x = 15,209.97

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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.