Home / 65,925.14-98,869.28-21,554.55

Finding the Fourth Proportional to 65,925.14, 98,869.28 and 21,554.55

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Solution

The fourth proportional to 65,925.14, 98,869.28 and 21,554.55 is: 32,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.14 : 98,869.28 = 21,554.55 : x
  2. Step 2: Convert to fraction form
    65,925.14/98,869.28 = 21,554.55/x
  3. Step 3: Cross multiply
    65,925.14x = 98,869.28 × 21,554.55
  4. Step 4: Simplify right side
    65,925.14x = 2,131,082,731.45
  5. Step 5: Solve for x
    x = 2,131,082,731.45/65,925.14
  6. Step 6: Final answer
    x = 32,325.80

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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.