Home / 29,158.80-43,738.20-19,827.60

Finding the Fourth Proportional to 29,158.80, 43,738.20 and 19,827.60

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Solution

The fourth proportional to 29,158.80, 43,738.20 and 19,827.60 is: 29,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.80 : 43,738.20 = 19,827.60 : x
  2. Step 2: Convert to fraction form
    29,158.80/43,738.20 = 19,827.60/x
  3. Step 3: Cross multiply
    29,158.80x = 43,738.20 × 19,827.60
  4. Step 4: Simplify right side
    29,158.80x = 867,223,534.32
  5. Step 5: Solve for x
    x = 867,223,534.32/29,158.80
  6. Step 6: Final answer
    x = 29,741.40

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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.