Home / 71,534.34-107,312.81-21,608.24

Finding the Fourth Proportional to 71,534.34, 107,312.81 and 21,608.24

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Solution

The fourth proportional to 71,534.34, 107,312.81 and 21,608.24 is: 32,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,534.34 : 107,312.81 = 21,608.24 : x
  2. Step 2: Convert to fraction form
    71,534.34/107,312.81 = 21,608.24/x
  3. Step 3: Cross multiply
    71,534.34x = 107,312.81 × 21,608.24
  4. Step 4: Simplify right side
    71,534.34x = 2,318,840,308.95
  5. Step 5: Solve for x
    x = 2,318,840,308.95/71,534.34
  6. Step 6: Final answer
    x = 32,415.76

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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.