Home / 70,470.39-97,248.40-38,639.23

Finding the Fourth Proportional to 70,470.39, 97,248.40 and 38,639.23

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Solution

The fourth proportional to 70,470.39, 97,248.40 and 38,639.23 is: 53,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470.39 : 97,248.40 = 38,639.23 : x
  2. Step 2: Convert to fraction form
    70,470.39/97,248.40 = 38,639.23/x
  3. Step 3: Cross multiply
    70,470.39x = 97,248.40 × 38,639.23
  4. Step 4: Simplify right side
    70,470.39x = 3,757,603,294.73
  5. Step 5: Solve for x
    x = 3,757,603,294.73/70,470.39
  6. Step 6: Final answer
    x = 53,321.73

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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.