Home / 31,565.60-47,355.68-9,378.48

Finding the Fourth Proportional to 31,565.60, 47,355.68 and 9,378.48

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Solution

The fourth proportional to 31,565.60, 47,355.68 and 9,378.48 is: 14,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.60 : 47,355.68 = 9,378.48 : x
  2. Step 2: Convert to fraction form
    31,565.60/47,355.68 = 9,378.48/x
  3. Step 3: Cross multiply
    31,565.60x = 47,355.68 × 9,378.48
  4. Step 4: Simplify right side
    31,565.60x = 444,124,297.77
  5. Step 5: Solve for x
    x = 444,124,297.77/31,565.60
  6. Step 6: Final answer
    x = 14,069.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.