Home / 52,141.91-78,224.25-18,858.50

Finding the Fourth Proportional to 52,141.91, 78,224.25 and 18,858.50

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Solution

The fourth proportional to 52,141.91, 78,224.25 and 18,858.50 is: 28,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.91 : 78,224.25 = 18,858.50 : x
  2. Step 2: Convert to fraction form
    52,141.91/78,224.25 = 18,858.50/x
  3. Step 3: Cross multiply
    52,141.91x = 78,224.25 × 18,858.50
  4. Step 4: Simplify right side
    52,141.91x = 1,475,192,018.63
  5. Step 5: Solve for x
    x = 1,475,192,018.63/52,141.91
  6. Step 6: Final answer
    x = 28,291.87

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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.