Home / 70,447.28-97,218.56-38,615.96

Finding the Fourth Proportional to 70,447.28, 97,218.56 and 38,615.96

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Solution

The fourth proportional to 70,447.28, 97,218.56 and 38,615.96 is: 53,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.28 : 97,218.56 = 38,615.96 : x
  2. Step 2: Convert to fraction form
    70,447.28/97,218.56 = 38,615.96/x
  3. Step 3: Cross multiply
    70,447.28x = 97,218.56 × 38,615.96
  4. Step 4: Simplify right side
    70,447.28x = 3,754,188,024.22
  5. Step 5: Solve for x
    x = 3,754,188,024.22/70,447.28
  6. Step 6: Final answer
    x = 53,290.74

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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.