Home / 31,854.12-47,774.76-30,273.40

Finding the Fourth Proportional to 31,854.12, 47,774.76 and 30,273.40

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Solution

The fourth proportional to 31,854.12, 47,774.76 and 30,273.40 is: 45,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854.12 : 47,774.76 = 30,273.40 : x
  2. Step 2: Convert to fraction form
    31,854.12/47,774.76 = 30,273.40/x
  3. Step 3: Cross multiply
    31,854.12x = 47,774.76 × 30,273.40
  4. Step 4: Simplify right side
    31,854.12x = 1,446,304,419.38
  5. Step 5: Solve for x
    x = 1,446,304,419.38/31,854.12
  6. Step 6: Final answer
    x = 45,404.00

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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.