Home / 40,929.60-61,240.80-37,243.20

Finding the Fourth Proportional to 40,929.60, 61,240.80 and 37,243.20

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Solution

The fourth proportional to 40,929.60, 61,240.80 and 37,243.20 is: 55,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.60 : 61,240.80 = 37,243.20 : x
  2. Step 2: Convert to fraction form
    40,929.60/61,240.80 = 37,243.20/x
  3. Step 3: Cross multiply
    40,929.60x = 61,240.80 × 37,243.20
  4. Step 4: Simplify right side
    40,929.60x = 2,280,803,362.56
  5. Step 5: Solve for x
    x = 2,280,803,362.56/40,929.60
  6. Step 6: Final answer
    x = 55,725.03

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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.