Home / 40,012.55-60,056.49-20,305.25

Finding the Fourth Proportional to 40,012.55, 60,056.49 and 20,305.25

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Solution

The fourth proportional to 40,012.55, 60,056.49 and 20,305.25 is: 30,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.55 : 60,056.49 = 20,305.25 : x
  2. Step 2: Convert to fraction form
    40,012.55/60,056.49 = 20,305.25/x
  3. Step 3: Cross multiply
    40,012.55x = 60,056.49 × 20,305.25
  4. Step 4: Simplify right side
    40,012.55x = 1,219,461,743.29
  5. Step 5: Solve for x
    x = 1,219,461,743.29/40,012.55
  6. Step 6: Final answer
    x = 30,476.99

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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.