Home / 55,324.62-76,354.43-31,454.87

Finding the Fourth Proportional to 55,324.62, 76,354.43 and 31,454.87

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Solution

The fourth proportional to 55,324.62, 76,354.43 and 31,454.87 is: 43,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.62 : 76,354.43 = 31,454.87 : x
  2. Step 2: Convert to fraction form
    55,324.62/76,354.43 = 31,454.87/x
  3. Step 3: Cross multiply
    55,324.62x = 76,354.43 × 31,454.87
  4. Step 4: Simplify right side
    55,324.62x = 2,401,718,130.53
  5. Step 5: Solve for x
    x = 2,401,718,130.53/55,324.62
  6. Step 6: Final answer
    x = 43,411.38

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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.