Home / 36,200.90-54,258.15-18,661.70

Finding the Fourth Proportional to 36,200.90, 54,258.15 and 18,661.70

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Solution

The fourth proportional to 36,200.90, 54,258.15 and 18,661.70 is: 27,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.90 : 54,258.15 = 18,661.70 : x
  2. Step 2: Convert to fraction form
    36,200.90/54,258.15 = 18,661.70/x
  3. Step 3: Cross multiply
    36,200.90x = 54,258.15 × 18,661.70
  4. Step 4: Simplify right side
    36,200.90x = 1,012,549,317.86
  5. Step 5: Solve for x
    x = 1,012,549,317.86/36,200.90
  6. Step 6: Final answer
    x = 27,970.28

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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.