Home / 55,948.56-77,210.61-30,456.57

Finding the Fourth Proportional to 55,948.56, 77,210.61 and 30,456.57

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Solution

The fourth proportional to 55,948.56, 77,210.61 and 30,456.57 is: 42,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.56 : 77,210.61 = 30,456.57 : x
  2. Step 2: Convert to fraction form
    55,948.56/77,210.61 = 30,456.57/x
  3. Step 3: Cross multiply
    55,948.56x = 77,210.61 × 30,456.57
  4. Step 4: Simplify right side
    55,948.56x = 2,351,570,348.21
  5. Step 5: Solve for x
    x = 2,351,570,348.21/55,948.56
  6. Step 6: Final answer
    x = 42,030.94

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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.