Home / 45,478.96-62,791.92-28,490.24

Finding the Fourth Proportional to 45,478.96, 62,791.92 and 28,490.24

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Solution

The fourth proportional to 45,478.96, 62,791.92 and 28,490.24 is: 39,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478.96 : 62,791.92 = 28,490.24 : x
  2. Step 2: Convert to fraction form
    45,478.96/62,791.92 = 28,490.24/x
  3. Step 3: Cross multiply
    45,478.96x = 62,791.92 × 28,490.24
  4. Step 4: Simplify right side
    45,478.96x = 1,788,956,870.86
  5. Step 5: Solve for x
    x = 1,788,956,870.86/45,478.96
  6. Step 6: Final answer
    x = 39,335.92

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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.