Home / 55,855.68-77,081.04-30,705.36

Finding the Fourth Proportional to 55,855.68, 77,081.04 and 30,705.36

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Solution

The fourth proportional to 55,855.68, 77,081.04 and 30,705.36 is: 42,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.68 : 77,081.04 = 30,705.36 : x
  2. Step 2: Convert to fraction form
    55,855.68/77,081.04 = 30,705.36/x
  3. Step 3: Cross multiply
    55,855.68x = 77,081.04 × 30,705.36
  4. Step 4: Simplify right side
    55,855.68x = 2,366,801,082.37
  5. Step 5: Solve for x
    x = 2,366,801,082.37/55,855.68
  6. Step 6: Final answer
    x = 42,373.51

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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.