Home / 62,780.15-94,171.00-18,407.78

Finding the Fourth Proportional to 62,780.15, 94,171.00 and 18,407.78

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Solution

The fourth proportional to 62,780.15, 94,171.00 and 18,407.78 is: 27,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.15 : 94,171.00 = 18,407.78 : x
  2. Step 2: Convert to fraction form
    62,780.15/94,171.00 = 18,407.78/x
  3. Step 3: Cross multiply
    62,780.15x = 94,171.00 × 18,407.78
  4. Step 4: Simplify right side
    62,780.15x = 1,733,478,722.91
  5. Step 5: Solve for x
    x = 1,733,478,722.91/62,780.15
  6. Step 6: Final answer
    x = 27,611.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.