Home / 42,923.17-64,374.92-11,760.85

Finding the Fourth Proportional to 42,923.17, 64,374.92 and 11,760.85

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Solution

The fourth proportional to 42,923.17, 64,374.92 and 11,760.85 is: 17,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.17 : 64,374.92 = 11,760.85 : x
  2. Step 2: Convert to fraction form
    42,923.17/64,374.92 = 11,760.85/x
  3. Step 3: Cross multiply
    42,923.17x = 64,374.92 × 11,760.85
  4. Step 4: Simplify right side
    42,923.17x = 757,103,719.08
  5. Step 5: Solve for x
    x = 757,103,719.08/42,923.17
  6. Step 6: Final answer
    x = 17,638.58

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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.