Home / 52,069.77-78,052.05-20,501.98

Finding the Fourth Proportional to 52,069.77, 78,052.05 and 20,501.98

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Solution

The fourth proportional to 52,069.77, 78,052.05 and 20,501.98 is: 30,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.77 : 78,052.05 = 20,501.98 : x
  2. Step 2: Convert to fraction form
    52,069.77/78,052.05 = 20,501.98/x
  3. Step 3: Cross multiply
    52,069.77x = 78,052.05 × 20,501.98
  4. Step 4: Simplify right side
    52,069.77x = 1,600,221,568.06
  5. Step 5: Solve for x
    x = 1,600,221,568.06/52,069.77
  6. Step 6: Final answer
    x = 30,732.26

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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.