Home / 40,806.38-61,172.69-14,505.01

Finding the Fourth Proportional to 40,806.38, 61,172.69 and 14,505.01

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Solution

The fourth proportional to 40,806.38, 61,172.69 and 14,505.01 is: 21,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,806.38 : 61,172.69 = 14,505.01 : x
  2. Step 2: Convert to fraction form
    40,806.38/61,172.69 = 14,505.01/x
  3. Step 3: Cross multiply
    40,806.38x = 61,172.69 × 14,505.01
  4. Step 4: Simplify right side
    40,806.38x = 887,310,254.72
  5. Step 5: Solve for x
    x = 887,310,254.72/40,806.38
  6. Step 6: Final answer
    x = 21,744.40

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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.