Home / 55,339.20-83,008.80-25,814.70

Finding the Fourth Proportional to 55,339.20, 83,008.80 and 25,814.70

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Solution

The fourth proportional to 55,339.20, 83,008.80 and 25,814.70 is: 38,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.20 : 83,008.80 = 25,814.70 : x
  2. Step 2: Convert to fraction form
    55,339.20/83,008.80 = 25,814.70/x
  3. Step 3: Cross multiply
    55,339.20x = 83,008.80 × 25,814.70
  4. Step 4: Simplify right side
    55,339.20x = 2,142,847,269.36
  5. Step 5: Solve for x
    x = 2,142,847,269.36/55,339.20
  6. Step 6: Final answer
    x = 38,722.05

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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.