Home / 65,726.88-98,599.20-21,339.24

Finding the Fourth Proportional to 65,726.88, 98,599.20 and 21,339.24

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Solution

The fourth proportional to 65,726.88, 98,599.20 and 21,339.24 is: 32,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,726.88 : 98,599.20 = 21,339.24 : x
  2. Step 2: Convert to fraction form
    65,726.88/98,599.20 = 21,339.24/x
  3. Step 3: Cross multiply
    65,726.88x = 98,599.20 × 21,339.24
  4. Step 4: Simplify right side
    65,726.88x = 2,104,031,992.61
  5. Step 5: Solve for x
    x = 2,104,031,992.61/65,726.88
  6. Step 6: Final answer
    x = 32,011.74

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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.