Home / 55,880.74-77,116.38-30,387.27

Finding the Fourth Proportional to 55,880.74, 77,116.38 and 30,387.27

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Solution

The fourth proportional to 55,880.74, 77,116.38 and 30,387.27 is: 41,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880.74 : 77,116.38 = 30,387.27 : x
  2. Step 2: Convert to fraction form
    55,880.74/77,116.38 = 30,387.27/x
  3. Step 3: Cross multiply
    55,880.74x = 77,116.38 × 30,387.27
  4. Step 4: Simplify right side
    55,880.74x = 2,343,356,260.48
  5. Step 5: Solve for x
    x = 2,343,356,260.48/55,880.74
  6. Step 6: Final answer
    x = 41,934.95

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1.5x scale

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.