Home / 70,291.40-97,000.62-38,460.20

Finding the Fourth Proportional to 70,291.40, 97,000.62 and 38,460.20

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Solution

The fourth proportional to 70,291.40, 97,000.62 and 38,460.20 is: 53,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.40 : 97,000.62 = 38,460.20 : x
  2. Step 2: Convert to fraction form
    70,291.40/97,000.62 = 38,460.20/x
  3. Step 3: Cross multiply
    70,291.40x = 97,000.62 × 38,460.20
  4. Step 4: Simplify right side
    70,291.40x = 3,730,663,245.32
  5. Step 5: Solve for x
    x = 3,730,663,245.32/70,291.40
  6. Step 6: Final answer
    x = 53,074.25

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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.