Home / 49,833.90-74,713.65-30,108.30

Finding the Fourth Proportional to 49,833.90, 74,713.65 and 30,108.30

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Solution

The fourth proportional to 49,833.90, 74,713.65 and 30,108.30 is: 45,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,833.90 : 74,713.65 = 30,108.30 : x
  2. Step 2: Convert to fraction form
    49,833.90/74,713.65 = 30,108.30/x
  3. Step 3: Cross multiply
    49,833.90x = 74,713.65 × 30,108.30
  4. Step 4: Simplify right side
    49,833.90x = 2,249,500,988.30
  5. Step 5: Solve for x
    x = 2,249,500,988.30/49,833.90
  6. Step 6: Final answer
    x = 45,139.97

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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.