Home / 55,401.57-76,454.19-30,251.07

Finding the Fourth Proportional to 55,401.57, 76,454.19 and 30,251.07

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Solution

The fourth proportional to 55,401.57, 76,454.19 and 30,251.07 is: 41,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.57 : 76,454.19 = 30,251.07 : x
  2. Step 2: Convert to fraction form
    55,401.57/76,454.19 = 30,251.07/x
  3. Step 3: Cross multiply
    55,401.57x = 76,454.19 × 30,251.07
  4. Step 4: Simplify right side
    55,401.57x = 2,312,821,053.48
  5. Step 5: Solve for x
    x = 2,312,821,053.48/55,401.57
  6. Step 6: Final answer
    x = 41,746.49

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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.