Home / 40,876.04-61,316.80-15,914.48

Finding the Fourth Proportional to 40,876.04, 61,316.80 and 15,914.48

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Solution

The fourth proportional to 40,876.04, 61,316.80 and 15,914.48 is: 23,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,876.04 : 61,316.80 = 15,914.48 : x
  2. Step 2: Convert to fraction form
    40,876.04/61,316.80 = 15,914.48/x
  3. Step 3: Cross multiply
    40,876.04x = 61,316.80 × 15,914.48
  4. Step 4: Simplify right side
    40,876.04x = 975,824,640.89
  5. Step 5: Solve for x
    x = 975,824,640.89/40,876.04
  6. Step 6: Final answer
    x = 23,872.78

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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.