Home / 34,572.06-47,710.05-20,424.87

Finding the Fourth Proportional to 34,572.06, 47,710.05 and 20,424.87

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Solution

The fourth proportional to 34,572.06, 47,710.05 and 20,424.87 is: 28,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572.06 : 47,710.05 = 20,424.87 : x
  2. Step 2: Convert to fraction form
    34,572.06/47,710.05 = 20,424.87/x
  3. Step 3: Cross multiply
    34,572.06x = 47,710.05 × 20,424.87
  4. Step 4: Simplify right side
    34,572.06x = 974,471,568.94
  5. Step 5: Solve for x
    x = 974,471,568.94/34,572.06
  6. Step 6: Final answer
    x = 28,186.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.