Home / 55,948.70-77,210.61-30,456.44

Finding the Fourth Proportional to 55,948.70, 77,210.61 and 30,456.44

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Solution

The fourth proportional to 55,948.70, 77,210.61 and 30,456.44 is: 42,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.70 : 77,210.61 = 30,456.44 : x
  2. Step 2: Convert to fraction form
    55,948.70/77,210.61 = 30,456.44/x
  3. Step 3: Cross multiply
    55,948.70x = 77,210.61 × 30,456.44
  4. Step 4: Simplify right side
    55,948.70x = 2,351,560,310.83
  5. Step 5: Solve for x
    x = 2,351,560,310.83/55,948.70
  6. Step 6: Final answer
    x = 42,030.65

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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.