Home / 36,177.40-54,266.10-21,378.70

Finding the Fourth Proportional to 36,177.40, 54,266.10 and 21,378.70

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Solution

The fourth proportional to 36,177.40, 54,266.10 and 21,378.70 is: 32,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.40 : 54,266.10 = 21,378.70 : x
  2. Step 2: Convert to fraction form
    36,177.40/54,266.10 = 21,378.70/x
  3. Step 3: Cross multiply
    36,177.40x = 54,266.10 × 21,378.70
  4. Step 4: Simplify right side
    36,177.40x = 1,160,138,672.07
  5. Step 5: Solve for x
    x = 1,160,138,672.07/36,177.40
  6. Step 6: Final answer
    x = 32,068.05

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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.