Home / 29,043.02-40,073.26-18,986.20

Finding the Fourth Proportional to 29,043.02, 40,073.26 and 18,986.20

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Solution

The fourth proportional to 29,043.02, 40,073.26 and 18,986.20 is: 26,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.02 : 40,073.26 = 18,986.20 : x
  2. Step 2: Convert to fraction form
    29,043.02/40,073.26 = 18,986.20/x
  3. Step 3: Cross multiply
    29,043.02x = 40,073.26 × 18,986.20
  4. Step 4: Simplify right side
    29,043.02x = 760,838,929.01
  5. Step 5: Solve for x
    x = 760,838,929.01/29,043.02
  6. Step 6: Final answer
    x = 26,196.96

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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.