Home / 39,959.56-59,929.62-18,898.75

Finding the Fourth Proportional to 39,959.56, 59,929.62 and 18,898.75

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Solution

The fourth proportional to 39,959.56, 59,929.62 and 18,898.75 is: 28,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.56 : 59,929.62 = 18,898.75 : x
  2. Step 2: Convert to fraction form
    39,959.56/59,929.62 = 18,898.75/x
  3. Step 3: Cross multiply
    39,959.56x = 59,929.62 × 18,898.75
  4. Step 4: Simplify right side
    39,959.56x = 1,132,594,905.98
  5. Step 5: Solve for x
    x = 1,132,594,905.98/39,959.56
  6. Step 6: Final answer
    x = 28,343.53

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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.