Home / 70,439.73-97,206.24-38,608.55

Finding the Fourth Proportional to 70,439.73, 97,206.24 and 38,608.55

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Solution

The fourth proportional to 70,439.73, 97,206.24 and 38,608.55 is: 53,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.73 : 97,206.24 = 38,608.55 : x
  2. Step 2: Convert to fraction form
    70,439.73/97,206.24 = 38,608.55/x
  3. Step 3: Cross multiply
    70,439.73x = 97,206.24 × 38,608.55
  4. Step 4: Simplify right side
    70,439.73x = 3,752,991,977.35
  5. Step 5: Solve for x
    x = 3,752,991,977.35/70,439.73
  6. Step 6: Final answer
    x = 53,279.48

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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.