Home / 45,680.31-62,997.93-28,686.12

Finding the Fourth Proportional to 45,680.31, 62,997.93 and 28,686.12

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Solution

The fourth proportional to 45,680.31, 62,997.93 and 28,686.12 is: 39,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,680.31 : 62,997.93 = 28,686.12 : x
  2. Step 2: Convert to fraction form
    45,680.31/62,997.93 = 28,686.12/x
  3. Step 3: Cross multiply
    45,680.31x = 62,997.93 × 28,686.12
  4. Step 4: Simplify right side
    45,680.31x = 1,807,166,179.73
  5. Step 5: Solve for x
    x = 1,807,166,179.73/45,680.31
  6. Step 6: Final answer
    x = 39,561.16

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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.