Home / 29,985.12-41,380.74-16,558.20

Finding the Fourth Proportional to 29,985.12, 41,380.74 and 16,558.20

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Solution

The fourth proportional to 29,985.12, 41,380.74 and 16,558.20 is: 22,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.12 : 41,380.74 = 16,558.20 : x
  2. Step 2: Convert to fraction form
    29,985.12/41,380.74 = 16,558.20/x
  3. Step 3: Cross multiply
    29,985.12x = 41,380.74 × 16,558.20
  4. Step 4: Simplify right side
    29,985.12x = 685,190,569.07
  5. Step 5: Solve for x
    x = 685,190,569.07/29,985.12
  6. Step 6: Final answer
    x = 22,851.02

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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.