Home / 31,565.22-47,355.12-9,378.11

Finding the Fourth Proportional to 31,565.22, 47,355.12 and 9,378.11

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Solution

The fourth proportional to 31,565.22, 47,355.12 and 9,378.11 is: 14,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.22 : 47,355.12 = 9,378.11 : x
  2. Step 2: Convert to fraction form
    31,565.22/47,355.12 = 9,378.11/x
  3. Step 3: Cross multiply
    31,565.22x = 47,355.12 × 9,378.11
  4. Step 4: Simplify right side
    31,565.22x = 444,101,287.65
  5. Step 5: Solve for x
    x = 444,101,287.65/31,565.22
  6. Step 6: Final answer
    x = 14,069.32

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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.