Home / 52,020.12-77,983.62-18,732.36

Finding the Fourth Proportional to 52,020.12, 77,983.62 and 18,732.36

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Solution

The fourth proportional to 52,020.12, 77,983.62 and 18,732.36 is: 28,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.12 : 77,983.62 = 18,732.36 : x
  2. Step 2: Convert to fraction form
    52,020.12/77,983.62 = 18,732.36/x
  3. Step 3: Cross multiply
    52,020.12x = 77,983.62 × 18,732.36
  4. Step 4: Simplify right side
    52,020.12x = 1,460,817,243.94
  5. Step 5: Solve for x
    x = 1,460,817,243.94/52,020.12
  6. Step 6: Final answer
    x = 28,081.77

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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.