Home / 39,001.42-53,821.87-22,005.60

Finding the Fourth Proportional to 39,001.42, 53,821.87 and 22,005.60

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Solution

The fourth proportional to 39,001.42, 53,821.87 and 22,005.60 is: 30,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.42 : 53,821.87 = 22,005.60 : x
  2. Step 2: Convert to fraction form
    39,001.42/53,821.87 = 22,005.60/x
  3. Step 3: Cross multiply
    39,001.42x = 53,821.87 × 22,005.60
  4. Step 4: Simplify right side
    39,001.42x = 1,184,382,542.47
  5. Step 5: Solve for x
    x = 1,184,382,542.47/39,001.42
  6. Step 6: Final answer
    x = 30,367.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.