Home / 39,731.10-59,593-13,436.07

Finding the Fourth Proportional to 39,731.10, 59,593 and 13,436.07

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Solution

The fourth proportional to 39,731.10, 59,593 and 13,436.07 is: 20,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,731.10 : 59,593 = 13,436.07 : x
  2. Step 2: Convert to fraction form
    39,731.10/59,593 = 13,436.07/x
  3. Step 3: Cross multiply
    39,731.10x = 59,593 × 13,436.07
  4. Step 4: Simplify right side
    39,731.10x = 800,695,719.51
  5. Step 5: Solve for x
    x = 800,695,719.51/39,731.10
  6. Step 6: Final answer
    x = 20,152.87

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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.