Home / 55,633.40-83,458.20-18,195.20

Finding the Fourth Proportional to 55,633.40, 83,458.20 and 18,195.20

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Solution

The fourth proportional to 55,633.40, 83,458.20 and 18,195.20 is: 27,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.40 : 83,458.20 = 18,195.20 : x
  2. Step 2: Convert to fraction form
    55,633.40/83,458.20 = 18,195.20/x
  3. Step 3: Cross multiply
    55,633.40x = 83,458.20 × 18,195.20
  4. Step 4: Simplify right side
    55,633.40x = 1,518,538,640.64
  5. Step 5: Solve for x
    x = 1,518,538,640.64/55,633.40
  6. Step 6: Final answer
    x = 27,295.45

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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.