Home / 40,877.19-61,323.08-15,930.81

Finding the Fourth Proportional to 40,877.19, 61,323.08 and 15,930.81

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Solution

The fourth proportional to 40,877.19, 61,323.08 and 15,930.81 is: 23,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.19 : 61,323.08 = 15,930.81 : x
  2. Step 2: Convert to fraction form
    40,877.19/61,323.08 = 15,930.81/x
  3. Step 3: Cross multiply
    40,877.19x = 61,323.08 × 15,930.81
  4. Step 4: Simplify right side
    40,877.19x = 976,926,256.44
  5. Step 5: Solve for x
    x = 976,926,256.44/40,877.19
  6. Step 6: Final answer
    x = 23,899.06

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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.