Home / 42,655.85-63,995.10-14,575.85

Finding the Fourth Proportional to 42,655.85, 63,995.10 and 14,575.85

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Solution

The fourth proportional to 42,655.85, 63,995.10 and 14,575.85 is: 21,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.85 : 63,995.10 = 14,575.85 : x
  2. Step 2: Convert to fraction form
    42,655.85/63,995.10 = 14,575.85/x
  3. Step 3: Cross multiply
    42,655.85x = 63,995.10 × 14,575.85
  4. Step 4: Simplify right side
    42,655.85x = 932,782,658.36
  5. Step 5: Solve for x
    x = 932,782,658.36/42,655.85
  6. Step 6: Final answer
    x = 21,867.64

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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.