Home / 52,042.62-78,055.05-18,756.06

Finding the Fourth Proportional to 52,042.62, 78,055.05 and 18,756.06

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Solution

The fourth proportional to 52,042.62, 78,055.05 and 18,756.06 is: 28,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.62 : 78,055.05 = 18,756.06 : x
  2. Step 2: Convert to fraction form
    52,042.62/78,055.05 = 18,756.06/x
  3. Step 3: Cross multiply
    52,042.62x = 78,055.05 × 18,756.06
  4. Step 4: Simplify right side
    52,042.62x = 1,464,005,201.10
  5. Step 5: Solve for x
    x = 1,464,005,201.10/52,042.62
  6. Step 6: Final answer
    x = 28,130.89

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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.