Home / 65,241.15-90,031.26-38,385.39

Finding the Fourth Proportional to 65,241.15, 90,031.26 and 38,385.39

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Solution

The fourth proportional to 65,241.15, 90,031.26 and 38,385.39 is: 52,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.15 : 90,031.26 = 38,385.39 : x
  2. Step 2: Convert to fraction form
    65,241.15/90,031.26 = 38,385.39/x
  3. Step 3: Cross multiply
    65,241.15x = 90,031.26 × 38,385.39
  4. Step 4: Simplify right side
    65,241.15x = 3,455,885,027.29
  5. Step 5: Solve for x
    x = 3,455,885,027.29/65,241.15
  6. Step 6: Final answer
    x = 52,970.94

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