Home / 55,325.76-76,355.92-30,799.04

Finding the Fourth Proportional to 55,325.76, 76,355.92 and 30,799.04

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Solution

The fourth proportional to 55,325.76, 76,355.92 and 30,799.04 is: 42,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.76 : 76,355.92 = 30,799.04 : x
  2. Step 2: Convert to fraction form
    55,325.76/76,355.92 = 30,799.04/x
  3. Step 3: Cross multiply
    55,325.76x = 76,355.92 × 30,799.04
  4. Step 4: Simplify right side
    55,325.76x = 2,351,689,034.32
  5. Step 5: Solve for x
    x = 2,351,689,034.32/55,325.76
  6. Step 6: Final answer
    x = 42,506.22

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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.