Home / 70,291.32-97,001.20-38,459.88

Finding the Fourth Proportional to 70,291.32, 97,001.20 and 38,459.88

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Solution

The fourth proportional to 70,291.32, 97,001.20 and 38,459.88 is: 53,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.32 : 97,001.20 = 38,459.88 : x
  2. Step 2: Convert to fraction form
    70,291.32/97,001.20 = 38,459.88/x
  3. Step 3: Cross multiply
    70,291.32x = 97,001.20 × 38,459.88
  4. Step 4: Simplify right side
    70,291.32x = 3,730,654,511.86
  5. Step 5: Solve for x
    x = 3,730,654,511.86/70,291.32
  6. Step 6: Final answer
    x = 53,074.18

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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.