Home / 42,455.58-63,679.71-14,375.04

Finding the Fourth Proportional to 42,455.58, 63,679.71 and 14,375.04

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Solution

The fourth proportional to 42,455.58, 63,679.71 and 14,375.04 is: 21,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.58 : 63,679.71 = 14,375.04 : x
  2. Step 2: Convert to fraction form
    42,455.58/63,679.71 = 14,375.04/x
  3. Step 3: Cross multiply
    42,455.58x = 63,679.71 × 14,375.04
  4. Step 4: Simplify right side
    42,455.58x = 915,398,378.44
  5. Step 5: Solve for x
    x = 915,398,378.44/42,455.58
  6. Step 6: Final answer
    x = 21,561.32

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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.