Home / 42,063.50-63,034.99-19,865.45

Finding the Fourth Proportional to 42,063.50, 63,034.99 and 19,865.45

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Solution

The fourth proportional to 42,063.50, 63,034.99 and 19,865.45 is: 29,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.50 : 63,034.99 = 19,865.45 : x
  2. Step 2: Convert to fraction form
    42,063.50/63,034.99 = 19,865.45/x
  3. Step 3: Cross multiply
    42,063.50x = 63,034.99 × 19,865.45
  4. Step 4: Simplify right side
    42,063.50x = 1,252,218,442.10
  5. Step 5: Solve for x
    x = 1,252,218,442.10/42,063.50
  6. Step 6: Final answer
    x = 29,769.72

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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.