Home / 36,273.60-54,352.80-30,398.40

Finding the Fourth Proportional to 36,273.60, 54,352.80 and 30,398.40

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Solution

The fourth proportional to 36,273.60, 54,352.80 and 30,398.40 is: 45,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,273.60 : 54,352.80 = 30,398.40 : x
  2. Step 2: Convert to fraction form
    36,273.60/54,352.80 = 30,398.40/x
  3. Step 3: Cross multiply
    36,273.60x = 54,352.80 × 30,398.40
  4. Step 4: Simplify right side
    36,273.60x = 1,652,238,155.52
  5. Step 5: Solve for x
    x = 1,652,238,155.52/36,273.60
  6. Step 6: Final answer
    x = 45,549.33

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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.