Home / 40,520.68-60,787.08-14,220.80

Finding the Fourth Proportional to 40,520.68, 60,787.08 and 14,220.80

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Solution

The fourth proportional to 40,520.68, 60,787.08 and 14,220.80 is: 21,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.68 : 60,787.08 = 14,220.80 : x
  2. Step 2: Convert to fraction form
    40,520.68/60,787.08 = 14,220.80/x
  3. Step 3: Cross multiply
    40,520.68x = 60,787.08 × 14,220.80
  4. Step 4: Simplify right side
    40,520.68x = 864,440,907.26
  5. Step 5: Solve for x
    x = 864,440,907.26/40,520.68
  6. Step 6: Final answer
    x = 21,333.33

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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.