Home / 65,261.30-90,058.84-38,405.39

Finding the Fourth Proportional to 65,261.30, 90,058.84 and 38,405.39

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Solution

The fourth proportional to 65,261.30, 90,058.84 and 38,405.39 is: 52,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.30 : 90,058.84 = 38,405.39 : x
  2. Step 2: Convert to fraction form
    65,261.30/90,058.84 = 38,405.39/x
  3. Step 3: Cross multiply
    65,261.30x = 90,058.84 × 38,405.39
  4. Step 4: Simplify right side
    65,261.30x = 3,458,744,833.42
  5. Step 5: Solve for x
    x = 3,458,744,833.42/65,261.30
  6. Step 6: Final answer
    x = 52,998.41

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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.