Home / 61,031.14-84,218.73-40,884.76

Finding the Fourth Proportional to 61,031.14, 84,218.73 and 40,884.76

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Solution

The fourth proportional to 61,031.14, 84,218.73 and 40,884.76 is: 56,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.14 : 84,218.73 = 40,884.76 : x
  2. Step 2: Convert to fraction form
    61,031.14/84,218.73 = 40,884.76/x
  3. Step 3: Cross multiply
    61,031.14x = 84,218.73 × 40,884.76
  4. Step 4: Simplify right side
    61,031.14x = 3,443,262,563.55
  5. Step 5: Solve for x
    x = 3,443,262,563.55/61,031.14
  6. Step 6: Final answer
    x = 56,418.13

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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.