Home / 55,779.20-83,651.04-18,330.56

Finding the Fourth Proportional to 55,779.20, 83,651.04 and 18,330.56

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Solution

The fourth proportional to 55,779.20, 83,651.04 and 18,330.56 is: 27,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.20 : 83,651.04 = 18,330.56 : x
  2. Step 2: Convert to fraction form
    55,779.20/83,651.04 = 18,330.56/x
  3. Step 3: Cross multiply
    55,779.20x = 83,651.04 × 18,330.56
  4. Step 4: Simplify right side
    55,779.20x = 1,533,369,989.53
  5. Step 5: Solve for x
    x = 1,533,369,989.53/55,779.20
  6. Step 6: Final answer
    x = 27,490.00

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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.