Home / 71,727.02-107,590.69-21,807.53

Finding the Fourth Proportional to 71,727.02, 107,590.69 and 21,807.53

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Solution

The fourth proportional to 71,727.02, 107,590.69 and 21,807.53 is: 32,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727.02 : 107,590.69 = 21,807.53 : x
  2. Step 2: Convert to fraction form
    71,727.02/107,590.69 = 21,807.53/x
  3. Step 3: Cross multiply
    71,727.02x = 107,590.69 × 21,807.53
  4. Step 4: Simplify right side
    71,727.02x = 2,346,286,661.94
  5. Step 5: Solve for x
    x = 2,346,286,661.94/71,727.02
  6. Step 6: Final answer
    x = 32,711.34

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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.