Home / 58,414.58-80,612.20-31,557.08

Finding the Fourth Proportional to 58,414.58, 80,612.20 and 31,557.08

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Solution

The fourth proportional to 58,414.58, 80,612.20 and 31,557.08 is: 43,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,414.58 : 80,612.20 = 31,557.08 : x
  2. Step 2: Convert to fraction form
    58,414.58/80,612.20 = 31,557.08/x
  3. Step 3: Cross multiply
    58,414.58x = 80,612.20 × 31,557.08
  4. Step 4: Simplify right side
    58,414.58x = 2,543,885,644.38
  5. Step 5: Solve for x
    x = 2,543,885,644.38/58,414.58
  6. Step 6: Final answer
    x = 43,548.81

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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.