Home / 52,282.17-78,439.73-18,993.38

Finding the Fourth Proportional to 52,282.17, 78,439.73 and 18,993.38

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Solution

The fourth proportional to 52,282.17, 78,439.73 and 18,993.38 is: 28,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.17 : 78,439.73 = 18,993.38 : x
  2. Step 2: Convert to fraction form
    52,282.17/78,439.73 = 18,993.38/x
  3. Step 3: Cross multiply
    52,282.17x = 78,439.73 × 18,993.38
  4. Step 4: Simplify right side
    52,282.17x = 1,489,835,111.82
  5. Step 5: Solve for x
    x = 1,489,835,111.82/52,282.17
  6. Step 6: Final answer
    x = 28,496.05

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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.