Home / 40,482.50-60,725.58-12,400.51

Finding the Fourth Proportional to 40,482.50, 60,725.58 and 12,400.51

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Solution

The fourth proportional to 40,482.50, 60,725.58 and 12,400.51 is: 18,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.50 : 60,725.58 = 12,400.51 : x
  2. Step 2: Convert to fraction form
    40,482.50/60,725.58 = 12,400.51/x
  3. Step 3: Cross multiply
    40,482.50x = 60,725.58 × 12,400.51
  4. Step 4: Simplify right side
    40,482.50x = 753,028,131.04
  5. Step 5: Solve for x
    x = 753,028,131.04/40,482.50
  6. Step 6: Final answer
    x = 18,601.32

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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.