Home / 70,396.38-97,147.35-38,565.29

Finding the Fourth Proportional to 70,396.38, 97,147.35 and 38,565.29

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Solution

The fourth proportional to 70,396.38, 97,147.35 and 38,565.29 is: 53,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,396.38 : 97,147.35 = 38,565.29 : x
  2. Step 2: Convert to fraction form
    70,396.38/97,147.35 = 38,565.29/x
  3. Step 3: Cross multiply
    70,396.38x = 97,147.35 × 38,565.29
  4. Step 4: Simplify right side
    70,396.38x = 3,746,515,968.35
  5. Step 5: Solve for x
    x = 3,746,515,968.35/70,396.38
  6. Step 6: Final answer
    x = 53,220.29

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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.