Home / 70,560.45-97,373.34-38,729.61

Finding the Fourth Proportional to 70,560.45, 97,373.34 and 38,729.61

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Solution

The fourth proportional to 70,560.45, 97,373.34 and 38,729.61 is: 53,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.45 : 97,373.34 = 38,729.61 : x
  2. Step 2: Convert to fraction form
    70,560.45/97,373.34 = 38,729.61/x
  3. Step 3: Cross multiply
    70,560.45x = 97,373.34 × 38,729.61
  4. Step 4: Simplify right side
    70,560.45x = 3,771,231,482.60
  5. Step 5: Solve for x
    x = 3,771,231,482.60/70,560.45
  6. Step 6: Final answer
    x = 53,446.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.