Home / 42,001.75-57,962.42-23,140.09

Finding the Fourth Proportional to 42,001.75, 57,962.42 and 23,140.09

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Solution

The fourth proportional to 42,001.75, 57,962.42 and 23,140.09 is: 31,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.75 : 57,962.42 = 23,140.09 : x
  2. Step 2: Convert to fraction form
    42,001.75/57,962.42 = 23,140.09/x
  3. Step 3: Cross multiply
    42,001.75x = 57,962.42 × 23,140.09
  4. Step 4: Simplify right side
    42,001.75x = 1,341,255,615.42
  5. Step 5: Solve for x
    x = 1,341,255,615.42/42,001.75
  6. Step 6: Final answer
    x = 31,933.33

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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.