Home / 31,378.08-47,066.04-14,728.80

Finding the Fourth Proportional to 31,378.08, 47,066.04 and 14,728.80

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Solution

The fourth proportional to 31,378.08, 47,066.04 and 14,728.80 is: 22,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378.08 : 47,066.04 = 14,728.80 : x
  2. Step 2: Convert to fraction form
    31,378.08/47,066.04 = 14,728.80/x
  3. Step 3: Cross multiply
    31,378.08x = 47,066.04 × 14,728.80
  4. Step 4: Simplify right side
    31,378.08x = 693,226,289.95
  5. Step 5: Solve for x
    x = 693,226,289.95/31,378.08
  6. Step 6: Final answer
    x = 22,092.69

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