Home / 29,178.80-43,703.40-15,311.60

Finding the Fourth Proportional to 29,178.80, 43,703.40 and 15,311.60

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Solution

The fourth proportional to 29,178.80, 43,703.40 and 15,311.60 is: 22,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.80 : 43,703.40 = 15,311.60 : x
  2. Step 2: Convert to fraction form
    29,178.80/43,703.40 = 15,311.60/x
  3. Step 3: Cross multiply
    29,178.80x = 43,703.40 × 15,311.60
  4. Step 4: Simplify right side
    29,178.80x = 669,168,979.44
  5. Step 5: Solve for x
    x = 669,168,979.44/29,178.80
  6. Step 6: Final answer
    x = 22,933.40

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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.