Home / 40,079.21-60,133.39-19,025.69

Finding the Fourth Proportional to 40,079.21, 60,133.39 and 19,025.69

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Solution

The fourth proportional to 40,079.21, 60,133.39 and 19,025.69 is: 28,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.21 : 60,133.39 = 19,025.69 : x
  2. Step 2: Convert to fraction form
    40,079.21/60,133.39 = 19,025.69/x
  3. Step 3: Cross multiply
    40,079.21x = 60,133.39 × 19,025.69
  4. Step 4: Simplify right side
    40,079.21x = 1,144,078,888.56
  5. Step 5: Solve for x
    x = 1,144,078,888.56/40,079.21
  6. Step 6: Final answer
    x = 28,545.45

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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.