Home / 45,493.56-62,780.13-31,152.96

Finding the Fourth Proportional to 45,493.56, 62,780.13 and 31,152.96

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Solution

The fourth proportional to 45,493.56, 62,780.13 and 31,152.96 is: 42,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.56 : 62,780.13 = 31,152.96 : x
  2. Step 2: Convert to fraction form
    45,493.56/62,780.13 = 31,152.96/x
  3. Step 3: Cross multiply
    45,493.56x = 62,780.13 × 31,152.96
  4. Step 4: Simplify right side
    45,493.56x = 1,955,786,878.68
  5. Step 5: Solve for x
    x = 1,955,786,878.68/45,493.56
  6. Step 6: Final answer
    x = 42,990.41

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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.