Home / 40,538.88-60,825.60-14,261.76

Finding the Fourth Proportional to 40,538.88, 60,825.60 and 14,261.76

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Solution

The fourth proportional to 40,538.88, 60,825.60 and 14,261.76 is: 21,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.88 : 60,825.60 = 14,261.76 : x
  2. Step 2: Convert to fraction form
    40,538.88/60,825.60 = 14,261.76/x
  3. Step 3: Cross multiply
    40,538.88x = 60,825.60 × 14,261.76
  4. Step 4: Simplify right side
    40,538.88x = 867,480,109.06
  5. Step 5: Solve for x
    x = 867,480,109.06/40,538.88
  6. Step 6: Final answer
    x = 21,398.72

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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.