Home / 40,272-55,575.36-23,505.12

Finding the Fourth Proportional to 40,272, 55,575.36 and 23,505.12

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Solution

The fourth proportional to 40,272, 55,575.36 and 23,505.12 is: 32,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272 : 55,575.36 = 23,505.12 : x
  2. Step 2: Convert to fraction form
    40,272/55,575.36 = 23,505.12/x
  3. Step 3: Cross multiply
    40,272x = 55,575.36 × 23,505.12
  4. Step 4: Simplify right side
    40,272x = 1,306,305,505.84
  5. Step 5: Solve for x
    x = 1,306,305,505.84/40,272
  6. Step 6: Final answer
    x = 32,437.07

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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.