Home / 55,800.18-83,712.60-18,358.74

Finding the Fourth Proportional to 55,800.18, 83,712.60 and 18,358.74

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Solution

The fourth proportional to 55,800.18, 83,712.60 and 18,358.74 is: 27,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.18 : 83,712.60 = 18,358.74 : x
  2. Step 2: Convert to fraction form
    55,800.18/83,712.60 = 18,358.74/x
  3. Step 3: Cross multiply
    55,800.18x = 83,712.60 × 18,358.74
  4. Step 4: Simplify right side
    55,800.18x = 1,536,857,858.12
  5. Step 5: Solve for x
    x = 1,536,857,858.12/55,800.18
  6. Step 6: Final answer
    x = 27,542.17

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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.