Home / 45,718.20-63,088.92-28,731.24

Finding the Fourth Proportional to 45,718.20, 63,088.92 and 28,731.24

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Solution

The fourth proportional to 45,718.20, 63,088.92 and 28,731.24 is: 39,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718.20 : 63,088.92 = 28,731.24 : x
  2. Step 2: Convert to fraction form
    45,718.20/63,088.92 = 28,731.24/x
  3. Step 3: Cross multiply
    45,718.20x = 63,088.92 × 28,731.24
  4. Step 4: Simplify right side
    45,718.20x = 1,812,622,901.86
  5. Step 5: Solve for x
    x = 1,812,622,901.86/45,718.20
  6. Step 6: Final answer
    x = 39,647.73

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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.