Home / 42,165.26-63,306.21-21,403.34

Finding the Fourth Proportional to 42,165.26, 63,306.21 and 21,403.34

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Solution

The fourth proportional to 42,165.26, 63,306.21 and 21,403.34 is: 32,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.26 : 63,306.21 = 21,403.34 : x
  2. Step 2: Convert to fraction form
    42,165.26/63,306.21 = 21,403.34/x
  3. Step 3: Cross multiply
    42,165.26x = 63,306.21 × 21,403.34
  4. Step 4: Simplify right side
    42,165.26x = 1,354,964,336.74
  5. Step 5: Solve for x
    x = 1,354,964,336.74/42,165.26
  6. Step 6: Final answer
    x = 32,134.61

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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.