Home / 55,417.76-83,138.32-17,974.92

Finding the Fourth Proportional to 55,417.76, 83,138.32 and 17,974.92

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Solution

The fourth proportional to 55,417.76, 83,138.32 and 17,974.92 is: 26,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.76 : 83,138.32 = 17,974.92 : x
  2. Step 2: Convert to fraction form
    55,417.76/83,138.32 = 17,974.92/x
  3. Step 3: Cross multiply
    55,417.76x = 83,138.32 × 17,974.92
  4. Step 4: Simplify right side
    55,417.76x = 1,494,404,337.41
  5. Step 5: Solve for x
    x = 1,494,404,337.41/55,417.76
  6. Step 6: Final answer
    x = 26,966.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.