Home / 38,110.30-52,587.23-21,978.20

Finding the Fourth Proportional to 38,110.30, 52,587.23 and 21,978.20

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Solution

The fourth proportional to 38,110.30, 52,587.23 and 21,978.20 is: 30,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.30 : 52,587.23 = 21,978.20 : x
  2. Step 2: Convert to fraction form
    38,110.30/52,587.23 = 21,978.20/x
  3. Step 3: Cross multiply
    38,110.30x = 52,587.23 × 21,978.20
  4. Step 4: Simplify right side
    38,110.30x = 1,155,772,679.96
  5. Step 5: Solve for x
    x = 1,155,772,679.96/38,110.30
  6. Step 6: Final answer
    x = 30,327.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.