Home / 36,140.20-54,210.30-25,642.60

Finding the Fourth Proportional to 36,140.20, 54,210.30 and 25,642.60

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Solution

The fourth proportional to 36,140.20, 54,210.30 and 25,642.60 is: 38,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.20 : 54,210.30 = 25,642.60 : x
  2. Step 2: Convert to fraction form
    36,140.20/54,210.30 = 25,642.60/x
  3. Step 3: Cross multiply
    36,140.20x = 54,210.30 × 25,642.60
  4. Step 4: Simplify right side
    36,140.20x = 1,390,093,038.78
  5. Step 5: Solve for x
    x = 1,390,093,038.78/36,140.20
  6. Step 6: Final answer
    x = 38,463.90

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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.