Home / 43,813.20-65,719.80-29,816.40

Finding the Fourth Proportional to 43,813.20, 65,719.80 and 29,816.40

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Solution

The fourth proportional to 43,813.20, 65,719.80 and 29,816.40 is: 44,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,813.20 : 65,719.80 = 29,816.40 : x
  2. Step 2: Convert to fraction form
    43,813.20/65,719.80 = 29,816.40/x
  3. Step 3: Cross multiply
    43,813.20x = 65,719.80 × 29,816.40
  4. Step 4: Simplify right side
    43,813.20x = 1,959,527,844.72
  5. Step 5: Solve for x
    x = 1,959,527,844.72/43,813.20
  6. Step 6: Final answer
    x = 44,724.60

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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.