Home / 40,579.28-60,866.80-14,284.20

Finding the Fourth Proportional to 40,579.28, 60,866.80 and 14,284.20

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Solution

The fourth proportional to 40,579.28, 60,866.80 and 14,284.20 is: 21,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.28 : 60,866.80 = 14,284.20 : x
  2. Step 2: Convert to fraction form
    40,579.28/60,866.80 = 14,284.20/x
  3. Step 3: Cross multiply
    40,579.28x = 60,866.80 × 14,284.20
  4. Step 4: Simplify right side
    40,579.28x = 869,433,544.56
  5. Step 5: Solve for x
    x = 869,433,544.56/40,579.28
  6. Step 6: Final answer
    x = 21,425.55

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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.