Home / 40,144.64-60,272.24-20,436.93

Finding the Fourth Proportional to 40,144.64, 60,272.24 and 20,436.93

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Solution

The fourth proportional to 40,144.64, 60,272.24 and 20,436.93 is: 30,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.64 : 60,272.24 = 20,436.93 : x
  2. Step 2: Convert to fraction form
    40,144.64/60,272.24 = 20,436.93/x
  3. Step 3: Cross multiply
    40,144.64x = 60,272.24 × 20,436.93
  4. Step 4: Simplify right side
    40,144.64x = 1,231,779,549.82
  5. Step 5: Solve for x
    x = 1,231,779,549.82/40,144.64
  6. Step 6: Final answer
    x = 30,683.54

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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.