Home / 29,044.02-40,074.64-18,987.20

Finding the Fourth Proportional to 29,044.02, 40,074.64 and 18,987.20

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Solution

The fourth proportional to 29,044.02, 40,074.64 and 18,987.20 is: 26,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,044.02 : 40,074.64 = 18,987.20 : x
  2. Step 2: Convert to fraction form
    29,044.02/40,074.64 = 18,987.20/x
  3. Step 3: Cross multiply
    29,044.02x = 40,074.64 × 18,987.20
  4. Step 4: Simplify right side
    29,044.02x = 760,905,204.61
  5. Step 5: Solve for x
    x = 760,905,204.61/29,044.02
  6. Step 6: Final answer
    x = 26,198.34

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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.