Home / 55,247.10-82,870.65-18,311.10

Finding the Fourth Proportional to 55,247.10, 82,870.65 and 18,311.10

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Solution

The fourth proportional to 55,247.10, 82,870.65 and 18,311.10 is: 27,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.10 : 82,870.65 = 18,311.10 : x
  2. Step 2: Convert to fraction form
    55,247.10/82,870.65 = 18,311.10/x
  3. Step 3: Cross multiply
    55,247.10x = 82,870.65 × 18,311.10
  4. Step 4: Simplify right side
    55,247.10x = 1,517,452,759.22
  5. Step 5: Solve for x
    x = 1,517,452,759.22/55,247.10
  6. Step 6: Final answer
    x = 27,466.65

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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.