Home / 45,237.40-62,439.06-29,115.64

Finding the Fourth Proportional to 45,237.40, 62,439.06 and 29,115.64

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Solution

The fourth proportional to 45,237.40, 62,439.06 and 29,115.64 is: 40,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.40 : 62,439.06 = 29,115.64 : x
  2. Step 2: Convert to fraction form
    45,237.40/62,439.06 = 29,115.64/x
  3. Step 3: Cross multiply
    45,237.40x = 62,439.06 × 29,115.64
  4. Step 4: Simplify right side
    45,237.40x = 1,817,953,192.90
  5. Step 5: Solve for x
    x = 1,817,953,192.90/45,237.40
  6. Step 6: Final answer
    x = 40,186.95

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1.5x scale

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.