Home / 42,295.68-63,558.72-40,740.48

Finding the Fourth Proportional to 42,295.68, 63,558.72 and 40,740.48

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Solution

The fourth proportional to 42,295.68, 63,558.72 and 40,740.48 is: 61,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.68 : 63,558.72 = 40,740.48 : x
  2. Step 2: Convert to fraction form
    42,295.68/63,558.72 = 40,740.48/x
  3. Step 3: Cross multiply
    42,295.68x = 63,558.72 × 40,740.48
  4. Step 4: Simplify right side
    42,295.68x = 2,589,412,760.99
  5. Step 5: Solve for x
    x = 2,589,412,760.99/42,295.68
  6. Step 6: Final answer
    x = 61,221.68

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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.