Home / 38,010.80-56,951.40-31,401.20

Finding the Fourth Proportional to 38,010.80, 56,951.40 and 31,401.20

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Solution

The fourth proportional to 38,010.80, 56,951.40 and 31,401.20 is: 47,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.80 : 56,951.40 = 31,401.20 : x
  2. Step 2: Convert to fraction form
    38,010.80/56,951.40 = 31,401.20/x
  3. Step 3: Cross multiply
    38,010.80x = 56,951.40 × 31,401.20
  4. Step 4: Simplify right side
    38,010.80x = 1,788,342,301.68
  5. Step 5: Solve for x
    x = 1,788,342,301.68/38,010.80
  6. Step 6: Final answer
    x = 47,048.27

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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.