Home / 52,939.47-73,051.10-31,718.19

Finding the Fourth Proportional to 52,939.47, 73,051.10 and 31,718.19

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Solution

The fourth proportional to 52,939.47, 73,051.10 and 31,718.19 is: 43,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,939.47 : 73,051.10 = 31,718.19 : x
  2. Step 2: Convert to fraction form
    52,939.47/73,051.10 = 31,718.19/x
  3. Step 3: Cross multiply
    52,939.47x = 73,051.10 × 31,718.19
  4. Step 4: Simplify right side
    52,939.47x = 2,317,048,510.92
  5. Step 5: Solve for x
    x = 2,317,048,510.92/52,939.47
  6. Step 6: Final answer
    x = 43,767.88

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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.