Home / 42,505.46-63,765.48-12,926.24

Finding the Fourth Proportional to 42,505.46, 63,765.48 and 12,926.24

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Solution

The fourth proportional to 42,505.46, 63,765.48 and 12,926.24 is: 19,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.46 : 63,765.48 = 12,926.24 : x
  2. Step 2: Convert to fraction form
    42,505.46/63,765.48 = 12,926.24/x
  3. Step 3: Cross multiply
    42,505.46x = 63,765.48 × 12,926.24
  4. Step 4: Simplify right side
    42,505.46x = 824,247,898.20
  5. Step 5: Solve for x
    x = 824,247,898.20/42,505.46
  6. Step 6: Final answer
    x = 19,391.58

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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.