Home / 51,975.81-71,726.52-29,314.74

Finding the Fourth Proportional to 51,975.81, 71,726.52 and 29,314.74

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Solution

The fourth proportional to 51,975.81, 71,726.52 and 29,314.74 is: 40,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.81 : 71,726.52 = 29,314.74 : x
  2. Step 2: Convert to fraction form
    51,975.81/71,726.52 = 29,314.74/x
  3. Step 3: Cross multiply
    51,975.81x = 71,726.52 × 29,314.74
  4. Step 4: Simplify right side
    51,975.81x = 2,102,644,125.86
  5. Step 5: Solve for x
    x = 2,102,644,125.86/51,975.81
  6. Step 6: Final answer
    x = 40,454.28

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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.