Home / 38,278.86-57,419.46-31,666.96

Finding the Fourth Proportional to 38,278.86, 57,419.46 and 31,666.96

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Solution

The fourth proportional to 38,278.86, 57,419.46 and 31,666.96 is: 47,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.86 : 57,419.46 = 31,666.96 : x
  2. Step 2: Convert to fraction form
    38,278.86/57,419.46 = 31,666.96/x
  3. Step 3: Cross multiply
    38,278.86x = 57,419.46 × 31,666.96
  4. Step 4: Simplify right side
    38,278.86x = 1,818,299,743.04
  5. Step 5: Solve for x
    x = 1,818,299,743.04/38,278.86
  6. Step 6: Final answer
    x = 47,501.41

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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.