Home / 40,261.72-60,363.40-20,283.52

Finding the Fourth Proportional to 40,261.72, 60,363.40 and 20,283.52

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Solution

The fourth proportional to 40,261.72, 60,363.40 and 20,283.52 is: 30,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,261.72 : 60,363.40 = 20,283.52 : x
  2. Step 2: Convert to fraction form
    40,261.72/60,363.40 = 20,283.52/x
  3. Step 3: Cross multiply
    40,261.72x = 60,363.40 × 20,283.52
  4. Step 4: Simplify right side
    40,261.72x = 1,224,382,231.17
  5. Step 5: Solve for x
    x = 1,224,382,231.17/40,261.72
  6. Step 6: Final answer
    x = 30,410.58

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1.5x scale

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.