Home / 55,888.05-77,126.03-30,394.66

Finding the Fourth Proportional to 55,888.05, 77,126.03 and 30,394.66

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Solution

The fourth proportional to 55,888.05, 77,126.03 and 30,394.66 is: 41,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.05 : 77,126.03 = 30,394.66 : x
  2. Step 2: Convert to fraction form
    55,888.05/77,126.03 = 30,394.66/x
  3. Step 3: Cross multiply
    55,888.05x = 77,126.03 × 30,394.66
  4. Step 4: Simplify right side
    55,888.05x = 2,344,218,921.40
  5. Step 5: Solve for x
    x = 2,344,218,921.40/55,888.05
  6. Step 6: Final answer
    x = 41,944.90

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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.