Home / 54,300.90-81,451.35-36,586.20

Finding the Fourth Proportional to 54,300.90, 81,451.35 and 36,586.20

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Solution

The fourth proportional to 54,300.90, 81,451.35 and 36,586.20 is: 54,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.90 : 81,451.35 = 36,586.20 : x
  2. Step 2: Convert to fraction form
    54,300.90/81,451.35 = 36,586.20/x
  3. Step 3: Cross multiply
    54,300.90x = 81,451.35 × 36,586.20
  4. Step 4: Simplify right side
    54,300.90x = 2,979,995,381.37
  5. Step 5: Solve for x
    x = 2,979,995,381.37/54,300.90
  6. Step 6: Final answer
    x = 54,879.30

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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.