Home / 38,147.33-52,642.76-21,151.60

Finding the Fourth Proportional to 38,147.33, 52,642.76 and 21,151.60

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Solution

The fourth proportional to 38,147.33, 52,642.76 and 21,151.60 is: 29,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.33 : 52,642.76 = 21,151.60 : x
  2. Step 2: Convert to fraction form
    38,147.33/52,642.76 = 21,151.60/x
  3. Step 3: Cross multiply
    38,147.33x = 52,642.76 × 21,151.60
  4. Step 4: Simplify right side
    38,147.33x = 1,113,478,655.30
  5. Step 5: Solve for x
    x = 1,113,478,655.30/38,147.33
  6. Step 6: Final answer
    x = 29,188.91

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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.