Home / 42,164.90-63,247.34-14,079.77

Finding the Fourth Proportional to 42,164.90, 63,247.34 and 14,079.77

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Solution

The fourth proportional to 42,164.90, 63,247.34 and 14,079.77 is: 21,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,164.90 : 63,247.34 = 14,079.77 : x
  2. Step 2: Convert to fraction form
    42,164.90/63,247.34 = 14,079.77/x
  3. Step 3: Cross multiply
    42,164.90x = 63,247.34 × 14,079.77
  4. Step 4: Simplify right side
    42,164.90x = 890,507,719.27
  5. Step 5: Solve for x
    x = 890,507,719.27/42,164.90
  6. Step 6: Final answer
    x = 21,119.65

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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.