Home / 55,854.68-77,079.66-30,704.36

Finding the Fourth Proportional to 55,854.68, 77,079.66 and 30,704.36

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Solution

The fourth proportional to 55,854.68, 77,079.66 and 30,704.36 is: 42,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.68 : 77,079.66 = 30,704.36 : x
  2. Step 2: Convert to fraction form
    55,854.68/77,079.66 = 30,704.36/x
  3. Step 3: Cross multiply
    55,854.68x = 77,079.66 × 30,704.36
  4. Step 4: Simplify right side
    55,854.68x = 2,366,681,629.32
  5. Step 5: Solve for x
    x = 2,366,681,629.32/55,854.68
  6. Step 6: Final answer
    x = 42,372.13

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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.