Home / 42,165.15-63,247.72-14,080.02

Finding the Fourth Proportional to 42,165.15, 63,247.72 and 14,080.02

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Solution

The fourth proportional to 42,165.15, 63,247.72 and 14,080.02 is: 21,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.15 : 63,247.72 = 14,080.02 : x
  2. Step 2: Convert to fraction form
    42,165.15/63,247.72 = 14,080.02/x
  3. Step 3: Cross multiply
    42,165.15x = 63,247.72 × 14,080.02
  4. Step 4: Simplify right side
    42,165.15x = 890,529,162.55
  5. Step 5: Solve for x
    x = 890,529,162.55/42,165.15
  6. Step 6: Final answer
    x = 21,120.03

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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.