Home / 43,405.24-65,116.50-18,445.04

Finding the Fourth Proportional to 43,405.24, 65,116.50 and 18,445.04

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Solution

The fourth proportional to 43,405.24, 65,116.50 and 18,445.04 is: 27,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.24 : 65,116.50 = 18,445.04 : x
  2. Step 2: Convert to fraction form
    43,405.24/65,116.50 = 18,445.04/x
  3. Step 3: Cross multiply
    43,405.24x = 65,116.50 × 18,445.04
  4. Step 4: Simplify right side
    43,405.24x = 1,201,076,447.16
  5. Step 5: Solve for x
    x = 1,201,076,447.16/43,405.24
  6. Step 6: Final answer
    x = 27,671.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.