Home / 52,022.17-77,986.41-18,718.82

Finding the Fourth Proportional to 52,022.17, 77,986.41 and 18,718.82

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Solution

The fourth proportional to 52,022.17, 77,986.41 and 18,718.82 is: 28,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.17 : 77,986.41 = 18,718.82 : x
  2. Step 2: Convert to fraction form
    52,022.17/77,986.41 = 18,718.82/x
  3. Step 3: Cross multiply
    52,022.17x = 77,986.41 × 18,718.82
  4. Step 4: Simplify right side
    52,022.17x = 1,459,813,571.24
  5. Step 5: Solve for x
    x = 1,459,813,571.24/52,022.17
  6. Step 6: Final answer
    x = 28,061.37

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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.