Home / 55,616.56-83,407.40-18,168.10

Finding the Fourth Proportional to 55,616.56, 83,407.40 and 18,168.10

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Solution

The fourth proportional to 55,616.56, 83,407.40 and 18,168.10 is: 27,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.56 : 83,407.40 = 18,168.10 : x
  2. Step 2: Convert to fraction form
    55,616.56/83,407.40 = 18,168.10/x
  3. Step 3: Cross multiply
    55,616.56x = 83,407.40 × 18,168.10
  4. Step 4: Simplify right side
    55,616.56x = 1,515,353,566.90
  5. Step 5: Solve for x
    x = 1,515,353,566.90/55,616.56
  6. Step 6: Final answer
    x = 27,246.45

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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.