Home / 55,956.91-83,917.40-18,510.01

Finding the Fourth Proportional to 55,956.91, 83,917.40 and 18,510.01

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Solution

The fourth proportional to 55,956.91, 83,917.40 and 18,510.01 is: 27,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.91 : 83,917.40 = 18,510.01 : x
  2. Step 2: Convert to fraction form
    55,956.91/83,917.40 = 18,510.01/x
  3. Step 3: Cross multiply
    55,956.91x = 83,917.40 × 18,510.01
  4. Step 4: Simplify right side
    55,956.91x = 1,553,311,913.17
  5. Step 5: Solve for x
    x = 1,553,311,913.17/55,956.91
  6. Step 6: Final answer
    x = 27,759.07

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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.