Home / 31,514.30-47,278.10-26,356.22

Finding the Fourth Proportional to 31,514.30, 47,278.10 and 26,356.22

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Solution

The fourth proportional to 31,514.30, 47,278.10 and 26,356.22 is: 39,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.30 : 47,278.10 = 26,356.22 : x
  2. Step 2: Convert to fraction form
    31,514.30/47,278.10 = 26,356.22/x
  3. Step 3: Cross multiply
    31,514.30x = 47,278.10 × 26,356.22
  4. Step 4: Simplify right side
    31,514.30x = 1,246,072,004.78
  5. Step 5: Solve for x
    x = 1,246,072,004.78/31,514.30
  6. Step 6: Final answer
    x = 39,539.89

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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.