Home / 52,001.73-77,931.91-21,991.02

Finding the Fourth Proportional to 52,001.73, 77,931.91 and 21,991.02

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Solution

The fourth proportional to 52,001.73, 77,931.91 and 21,991.02 is: 32,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.73 : 77,931.91 = 21,991.02 : x
  2. Step 2: Convert to fraction form
    52,001.73/77,931.91 = 21,991.02/x
  3. Step 3: Cross multiply
    52,001.73x = 77,931.91 × 21,991.02
  4. Step 4: Simplify right side
    52,001.73x = 1,713,802,191.45
  5. Step 5: Solve for x
    x = 1,713,802,191.45/52,001.73
  6. Step 6: Final answer
    x = 32,956.64

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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.