Home / 51,280.47-76,929.73-17,538.55

Finding the Fourth Proportional to 51,280.47, 76,929.73 and 17,538.55

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Solution

The fourth proportional to 51,280.47, 76,929.73 and 17,538.55 is: 26,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.47 : 76,929.73 = 17,538.55 : x
  2. Step 2: Convert to fraction form
    51,280.47/76,929.73 = 17,538.55/x
  3. Step 3: Cross multiply
    51,280.47x = 76,929.73 × 17,538.55
  4. Step 4: Simplify right side
    51,280.47x = 1,349,235,968.41
  5. Step 5: Solve for x
    x = 1,349,235,968.41/51,280.47
  6. Step 6: Final answer
    x = 26,310.91

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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.