Home / 31,393.18-47,029.62-30,337.95

Finding the Fourth Proportional to 31,393.18, 47,029.62 and 30,337.95

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Solution

The fourth proportional to 31,393.18, 47,029.62 and 30,337.95 is: 45,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.18 : 47,029.62 = 30,337.95 : x
  2. Step 2: Convert to fraction form
    31,393.18/47,029.62 = 30,337.95/x
  3. Step 3: Cross multiply
    31,393.18x = 47,029.62 × 30,337.95
  4. Step 4: Simplify right side
    31,393.18x = 1,426,782,550.21
  5. Step 5: Solve for x
    x = 1,426,782,550.21/31,393.18
  6. Step 6: Final answer
    x = 45,448.80

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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.