Home / 55,818.81-77,034.82-30,673.17

Finding the Fourth Proportional to 55,818.81, 77,034.82 and 30,673.17

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Solution

The fourth proportional to 55,818.81, 77,034.82 and 30,673.17 is: 42,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.81 : 77,034.82 = 30,673.17 : x
  2. Step 2: Convert to fraction form
    55,818.81/77,034.82 = 30,673.17/x
  3. Step 3: Cross multiply
    55,818.81x = 77,034.82 × 30,673.17
  4. Step 4: Simplify right side
    55,818.81x = 2,362,902,129.78
  5. Step 5: Solve for x
    x = 2,362,902,129.78/55,818.81
  6. Step 6: Final answer
    x = 42,331.65

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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.