Home / 70,228.32-96,915.12-38,397.48

Finding the Fourth Proportional to 70,228.32, 96,915.12 and 38,397.48

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Solution

The fourth proportional to 70,228.32, 96,915.12 and 38,397.48 is: 52,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,228.32 : 96,915.12 = 38,397.48 : x
  2. Step 2: Convert to fraction form
    70,228.32/96,915.12 = 38,397.48/x
  3. Step 3: Cross multiply
    70,228.32x = 96,915.12 × 38,397.48
  4. Step 4: Simplify right side
    70,228.32x = 3,721,296,381.90
  5. Step 5: Solve for x
    x = 3,721,296,381.90/70,228.32
  6. Step 6: Final answer
    x = 52,988.54

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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.