Home / 42,751.48-64,121.16-14,671.08

Finding the Fourth Proportional to 42,751.48, 64,121.16 and 14,671.08

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Solution

The fourth proportional to 42,751.48, 64,121.16 and 14,671.08 is: 22,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.48 : 64,121.16 = 14,671.08 : x
  2. Step 2: Convert to fraction form
    42,751.48/64,121.16 = 14,671.08/x
  3. Step 3: Cross multiply
    42,751.48x = 64,121.16 × 14,671.08
  4. Step 4: Simplify right side
    42,751.48x = 940,726,668.05
  5. Step 5: Solve for x
    x = 940,726,668.05/42,751.48
  6. Step 6: Final answer
    x = 22,004.54

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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.