Home / 65,901.90-98,862.45-21,530.70

Finding the Fourth Proportional to 65,901.90, 98,862.45 and 21,530.70

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Solution

The fourth proportional to 65,901.90, 98,862.45 and 21,530.70 is: 32,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,901.90 : 98,862.45 = 21,530.70 : x
  2. Step 2: Convert to fraction form
    65,901.90/98,862.45 = 21,530.70/x
  3. Step 3: Cross multiply
    65,901.90x = 98,862.45 × 21,530.70
  4. Step 4: Simplify right side
    65,901.90x = 2,128,577,752.22
  5. Step 5: Solve for x
    x = 2,128,577,752.22/65,901.90
  6. Step 6: Final answer
    x = 32,299.19

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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.