Home / 40,266.72-60,370.90-20,288.52

Finding the Fourth Proportional to 40,266.72, 60,370.90 and 20,288.52

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Solution

The fourth proportional to 40,266.72, 60,370.90 and 20,288.52 is: 30,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.72 : 60,370.90 = 20,288.52 : x
  2. Step 2: Convert to fraction form
    40,266.72/60,370.90 = 20,288.52/x
  3. Step 3: Cross multiply
    40,266.72x = 60,370.90 × 20,288.52
  4. Step 4: Simplify right side
    40,266.72x = 1,224,836,212.07
  5. Step 5: Solve for x
    x = 1,224,836,212.07/40,266.72
  6. Step 6: Final answer
    x = 30,418.08

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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.