Home / 50,711.19-75,776.78-38,636.99

Finding the Fourth Proportional to 50,711.19, 75,776.78 and 38,636.99

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Solution

The fourth proportional to 50,711.19, 75,776.78 and 38,636.99 is: 57,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,711.19 : 75,776.78 = 38,636.99 : x
  2. Step 2: Convert to fraction form
    50,711.19/75,776.78 = 38,636.99/x
  3. Step 3: Cross multiply
    50,711.19x = 75,776.78 × 38,636.99
  4. Step 4: Simplify right side
    50,711.19x = 2,927,786,692.96
  5. Step 5: Solve for x
    x = 2,927,786,692.96/50,711.19
  6. Step 6: Final answer
    x = 57,734.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.