Home / 52,829.13-79,243.57-13,386.13

Finding the Fourth Proportional to 52,829.13, 79,243.57 and 13,386.13

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Solution

The fourth proportional to 52,829.13, 79,243.57 and 13,386.13 is: 20,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.13 : 79,243.57 = 13,386.13 : x
  2. Step 2: Convert to fraction form
    52,829.13/79,243.57 = 13,386.13/x
  3. Step 3: Cross multiply
    52,829.13x = 79,243.57 × 13,386.13
  4. Step 4: Simplify right side
    52,829.13x = 1,060,764,729.68
  5. Step 5: Solve for x
    x = 1,060,764,729.68/52,829.13
  6. Step 6: Final answer
    x = 20,079.16

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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.