Home / 39,282.29-54,072.65-34,237.76

Finding the Fourth Proportional to 39,282.29, 54,072.65 and 34,237.76

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Solution

The fourth proportional to 39,282.29, 54,072.65 and 34,237.76 is: 47,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.29 : 54,072.65 = 34,237.76 : x
  2. Step 2: Convert to fraction form
    39,282.29/54,072.65 = 34,237.76/x
  3. Step 3: Cross multiply
    39,282.29x = 54,072.65 × 34,237.76
  4. Step 4: Simplify right side
    39,282.29x = 1,851,326,228.50
  5. Step 5: Solve for x
    x = 1,851,326,228.50/39,282.29
  6. Step 6: Final answer
    x = 47,128.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.