Home / 43,387.04-65,030.45-19,964.27

Finding the Fourth Proportional to 43,387.04, 65,030.45 and 19,964.27

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Solution

The fourth proportional to 43,387.04, 65,030.45 and 19,964.27 is: 29,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387.04 : 65,030.45 = 19,964.27 : x
  2. Step 2: Convert to fraction form
    43,387.04/65,030.45 = 19,964.27/x
  3. Step 3: Cross multiply
    43,387.04x = 65,030.45 × 19,964.27
  4. Step 4: Simplify right side
    43,387.04x = 1,298,285,524.78
  5. Step 5: Solve for x
    x = 1,298,285,524.78/43,387.04
  6. Step 6: Final answer
    x = 29,923.35

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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.