Home / 40,315.52-60,479.50-20,583.38

Finding the Fourth Proportional to 40,315.52, 60,479.50 and 20,583.38

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Solution

The fourth proportional to 40,315.52, 60,479.50 and 20,583.38 is: 30,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.52 : 60,479.50 = 20,583.38 : x
  2. Step 2: Convert to fraction form
    40,315.52/60,479.50 = 20,583.38/x
  3. Step 3: Cross multiply
    40,315.52x = 60,479.50 × 20,583.38
  4. Step 4: Simplify right side
    40,315.52x = 1,244,872,530.71
  5. Step 5: Solve for x
    x = 1,244,872,530.71/40,315.52
  6. Step 6: Final answer
    x = 30,878.25

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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.