Home / 39,759.66-54,871.02-26,307.72

Finding the Fourth Proportional to 39,759.66, 54,871.02 and 26,307.72

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Solution

The fourth proportional to 39,759.66, 54,871.02 and 26,307.72 is: 36,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.66 : 54,871.02 = 26,307.72 : x
  2. Step 2: Convert to fraction form
    39,759.66/54,871.02 = 26,307.72/x
  3. Step 3: Cross multiply
    39,759.66x = 54,871.02 × 26,307.72
  4. Step 4: Simplify right side
    39,759.66x = 1,443,531,430.27
  5. Step 5: Solve for x
    x = 1,443,531,430.27/39,759.66
  6. Step 6: Final answer
    x = 36,306.43

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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.