Home / 67,042.49-100,560.65-19,655.66

Finding the Fourth Proportional to 67,042.49, 100,560.65 and 19,655.66

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Solution

The fourth proportional to 67,042.49, 100,560.65 and 19,655.66 is: 29,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,042.49 : 100,560.65 = 19,655.66 : x
  2. Step 2: Convert to fraction form
    67,042.49/100,560.65 = 19,655.66/x
  3. Step 3: Cross multiply
    67,042.49x = 100,560.65 × 19,655.66
  4. Step 4: Simplify right side
    67,042.49x = 1,976,586,237.11
  5. Step 5: Solve for x
    x = 1,976,586,237.11/67,042.49
  6. Step 6: Final answer
    x = 29,482.59

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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.