Home / 63,031.40-86,982.36-34,738.12

Finding the Fourth Proportional to 63,031.40, 86,982.36 and 34,738.12

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Solution

The fourth proportional to 63,031.40, 86,982.36 and 34,738.12 is: 47,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.40 : 86,982.36 = 34,738.12 : x
  2. Step 2: Convert to fraction form
    63,031.40/86,982.36 = 34,738.12/x
  3. Step 3: Cross multiply
    63,031.40x = 86,982.36 × 34,738.12
  4. Step 4: Simplify right side
    63,031.40x = 3,021,603,659.56
  5. Step 5: Solve for x
    x = 3,021,603,659.56/63,031.40
  6. Step 6: Final answer
    x = 47,938.07

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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.