Home / 38,231.40-57,347.10-37,648.20

Finding the Fourth Proportional to 38,231.40, 57,347.10 and 37,648.20

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Solution

The fourth proportional to 38,231.40, 57,347.10 and 37,648.20 is: 56,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.40 : 57,347.10 = 37,648.20 : x
  2. Step 2: Convert to fraction form
    38,231.40/57,347.10 = 37,648.20/x
  3. Step 3: Cross multiply
    38,231.40x = 57,347.10 × 37,648.20
  4. Step 4: Simplify right side
    38,231.40x = 2,159,015,090.22
  5. Step 5: Solve for x
    x = 2,159,015,090.22/38,231.40
  6. Step 6: Final answer
    x = 56,472.30

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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.