Home / 71,536.56-107,305.85-21,617.07

Finding the Fourth Proportional to 71,536.56, 107,305.85 and 21,617.07

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Solution

The fourth proportional to 71,536.56, 107,305.85 and 21,617.07 is: 32,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,536.56 : 107,305.85 = 21,617.07 : x
  2. Step 2: Convert to fraction form
    71,536.56/107,305.85 = 21,617.07/x
  3. Step 3: Cross multiply
    71,536.56x = 107,305.85 × 21,617.07
  4. Step 4: Simplify right side
    71,536.56x = 2,319,638,070.86
  5. Step 5: Solve for x
    x = 2,319,638,070.86/71,536.56
  6. Step 6: Final answer
    x = 32,425.91

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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.