Home / 70,440.32-97,210.06-38,609.20

Finding the Fourth Proportional to 70,440.32, 97,210.06 and 38,609.20

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Solution

The fourth proportional to 70,440.32, 97,210.06 and 38,609.20 is: 53,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440.32 : 97,210.06 = 38,609.20 : x
  2. Step 2: Convert to fraction form
    70,440.32/97,210.06 = 38,609.20/x
  3. Step 3: Cross multiply
    70,440.32x = 97,210.06 × 38,609.20
  4. Step 4: Simplify right side
    70,440.32x = 3,753,202,648.55
  5. Step 5: Solve for x
    x = 3,753,202,648.55/70,440.32
  6. Step 6: Final answer
    x = 53,282.02

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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.