Home / 40,190.18-60,293.90-13,538.81

Finding the Fourth Proportional to 40,190.18, 60,293.90 and 13,538.81

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Solution

The fourth proportional to 40,190.18, 60,293.90 and 13,538.81 is: 20,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.18 : 60,293.90 = 13,538.81 : x
  2. Step 2: Convert to fraction form
    40,190.18/60,293.90 = 13,538.81/x
  3. Step 3: Cross multiply
    40,190.18x = 60,293.90 × 13,538.81
  4. Step 4: Simplify right side
    40,190.18x = 816,307,840.84
  5. Step 5: Solve for x
    x = 816,307,840.84/40,190.18
  6. Step 6: Final answer
    x = 20,311.13

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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.