Home / 51,712.81-71,366.74-38,943.47

Finding the Fourth Proportional to 51,712.81, 71,366.74 and 38,943.47

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Solution

The fourth proportional to 51,712.81, 71,366.74 and 38,943.47 is: 53,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.81 : 71,366.74 = 38,943.47 : x
  2. Step 2: Convert to fraction form
    51,712.81/71,366.74 = 38,943.47/x
  3. Step 3: Cross multiply
    51,712.81x = 71,366.74 × 38,943.47
  4. Step 4: Simplify right side
    51,712.81x = 2,779,268,177.81
  5. Step 5: Solve for x
    x = 2,779,268,177.81/51,712.81
  6. Step 6: Final answer
    x = 53,744.29

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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.