Home / 31,392.44-47,070.92-10,326.78

Finding the Fourth Proportional to 31,392.44, 47,070.92 and 10,326.78

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Solution

The fourth proportional to 31,392.44, 47,070.92 and 10,326.78 is: 15,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.44 : 47,070.92 = 10,326.78 : x
  2. Step 2: Convert to fraction form
    31,392.44/47,070.92 = 10,326.78/x
  3. Step 3: Cross multiply
    31,392.44x = 47,070.92 × 10,326.78
  4. Step 4: Simplify right side
    31,392.44x = 486,090,983.60
  5. Step 5: Solve for x
    x = 486,090,983.60/31,392.44
  6. Step 6: Final answer
    x = 15,484.34

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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.