Home / 55,869.36-77,101.04-30,718.84

Finding the Fourth Proportional to 55,869.36, 77,101.04 and 30,718.84

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Solution

The fourth proportional to 55,869.36, 77,101.04 and 30,718.84 is: 42,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.36 : 77,101.04 = 30,718.84 : x
  2. Step 2: Convert to fraction form
    55,869.36/77,101.04 = 30,718.84/x
  3. Step 3: Cross multiply
    55,869.36x = 77,101.04 × 30,718.84
  4. Step 4: Simplify right side
    55,869.36x = 2,368,454,511.59
  5. Step 5: Solve for x
    x = 2,368,454,511.59/55,869.36
  6. Step 6: Final answer
    x = 42,392.73

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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.