Home / 40,487.58-60,646.32-25,688.88

Finding the Fourth Proportional to 40,487.58, 60,646.32 and 25,688.88

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Solution

The fourth proportional to 40,487.58, 60,646.32 and 25,688.88 is: 38,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.58 : 60,646.32 = 25,688.88 : x
  2. Step 2: Convert to fraction form
    40,487.58/60,646.32 = 25,688.88/x
  3. Step 3: Cross multiply
    40,487.58x = 60,646.32 × 25,688.88
  4. Step 4: Simplify right side
    40,487.58x = 1,557,936,036.92
  5. Step 5: Solve for x
    x = 1,557,936,036.92/40,487.58
  6. Step 6: Final answer
    x = 38,479.36

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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.