Home / 65,627.04-98,456.10-21,253.77

Finding the Fourth Proportional to 65,627.04, 98,456.10 and 21,253.77

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Solution

The fourth proportional to 65,627.04, 98,456.10 and 21,253.77 is: 31,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,627.04 : 98,456.10 = 21,253.77 : x
  2. Step 2: Convert to fraction form
    65,627.04/98,456.10 = 21,253.77/x
  3. Step 3: Cross multiply
    65,627.04x = 98,456.10 × 21,253.77
  4. Step 4: Simplify right side
    65,627.04x = 2,092,563,304.50
  5. Step 5: Solve for x
    x = 2,092,563,304.50/65,627.04
  6. Step 6: Final answer
    x = 31,885.69

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1.5x scale

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.