Home / 29,820.76-41,139.12-18,487.24

Finding the Fourth Proportional to 29,820.76, 41,139.12 and 18,487.24

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Solution

The fourth proportional to 29,820.76, 41,139.12 and 18,487.24 is: 25,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.76 : 41,139.12 = 18,487.24 : x
  2. Step 2: Convert to fraction form
    29,820.76/41,139.12 = 18,487.24/x
  3. Step 3: Cross multiply
    29,820.76x = 41,139.12 × 18,487.24
  4. Step 4: Simplify right side
    29,820.76x = 760,548,784.83
  5. Step 5: Solve for x
    x = 760,548,784.83/29,820.76
  6. Step 6: Final answer
    x = 25,504.00

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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.