Home / 39,393.68-59,053.14-15,715.78

Finding the Fourth Proportional to 39,393.68, 59,053.14 and 15,715.78

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Solution

The fourth proportional to 39,393.68, 59,053.14 and 15,715.78 is: 23,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.68 : 59,053.14 = 15,715.78 : x
  2. Step 2: Convert to fraction form
    39,393.68/59,053.14 = 15,715.78/x
  3. Step 3: Cross multiply
    39,393.68x = 59,053.14 × 15,715.78
  4. Step 4: Simplify right side
    39,393.68x = 928,066,008.92
  5. Step 5: Solve for x
    x = 928,066,008.92/39,393.68
  6. Step 6: Final answer
    x = 23,558.76

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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.