Home / 42,159.26-63,246.99-18,785.63

Finding the Fourth Proportional to 42,159.26, 63,246.99 and 18,785.63

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Solution

The fourth proportional to 42,159.26, 63,246.99 and 18,785.63 is: 28,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.26 : 63,246.99 = 18,785.63 : x
  2. Step 2: Convert to fraction form
    42,159.26/63,246.99 = 18,785.63/x
  3. Step 3: Cross multiply
    42,159.26x = 63,246.99 × 18,785.63
  4. Step 4: Simplify right side
    42,159.26x = 1,188,134,552.75
  5. Step 5: Solve for x
    x = 1,188,134,552.75/42,159.26
  6. Step 6: Final answer
    x = 28,182.05

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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.