Home / 45,472.14-62,761.23-30,559.50

Finding the Fourth Proportional to 45,472.14, 62,761.23 and 30,559.50

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Solution

The fourth proportional to 45,472.14, 62,761.23 and 30,559.50 is: 42,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,472.14 : 62,761.23 = 30,559.50 : x
  2. Step 2: Convert to fraction form
    45,472.14/62,761.23 = 30,559.50/x
  3. Step 3: Cross multiply
    45,472.14x = 62,761.23 × 30,559.50
  4. Step 4: Simplify right side
    45,472.14x = 1,917,951,808.19
  5. Step 5: Solve for x
    x = 1,917,951,808.19/45,472.14
  6. Step 6: Final answer
    x = 42,178.61

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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.