Home / 29,150.90-40,130.96-27,811.86

Finding the Fourth Proportional to 29,150.90, 40,130.96 and 27,811.86

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Solution

The fourth proportional to 29,150.90, 40,130.96 and 27,811.86 is: 38,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.90 : 40,130.96 = 27,811.86 : x
  2. Step 2: Convert to fraction form
    29,150.90/40,130.96 = 27,811.86/x
  3. Step 3: Cross multiply
    29,150.90x = 40,130.96 × 27,811.86
  4. Step 4: Simplify right side
    29,150.90x = 1,116,116,502.13
  5. Step 5: Solve for x
    x = 1,116,116,502.13/29,150.90
  6. Step 6: Final answer
    x = 38,287.56

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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.