Home / 42,319.85-63,479.18-10,299.04

Finding the Fourth Proportional to 42,319.85, 63,479.18 and 10,299.04

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Solution

The fourth proportional to 42,319.85, 63,479.18 and 10,299.04 is: 15,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,319.85 : 63,479.18 = 10,299.04 : x
  2. Step 2: Convert to fraction form
    42,319.85/63,479.18 = 10,299.04/x
  3. Step 3: Cross multiply
    42,319.85x = 63,479.18 × 10,299.04
  4. Step 4: Simplify right side
    42,319.85x = 653,774,481.04
  5. Step 5: Solve for x
    x = 653,774,481.04/42,319.85
  6. Step 6: Final answer
    x = 15,448.41

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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.