Home / 36,258.80-54,388.20-21,460.10

Finding the Fourth Proportional to 36,258.80, 54,388.20 and 21,460.10

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Solution

The fourth proportional to 36,258.80, 54,388.20 and 21,460.10 is: 32,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258.80 : 54,388.20 = 21,460.10 : x
  2. Step 2: Convert to fraction form
    36,258.80/54,388.20 = 21,460.10/x
  3. Step 3: Cross multiply
    36,258.80x = 54,388.20 × 21,460.10
  4. Step 4: Simplify right side
    36,258.80x = 1,167,176,210.82
  5. Step 5: Solve for x
    x = 1,167,176,210.82/36,258.80
  6. Step 6: Final answer
    x = 32,190.15

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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.