Home / 50,188.68-75,283.34-15,128.20

Finding the Fourth Proportional to 50,188.68, 75,283.34 and 15,128.20

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Solution

The fourth proportional to 50,188.68, 75,283.34 and 15,128.20 is: 22,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188.68 : 75,283.34 = 15,128.20 : x
  2. Step 2: Convert to fraction form
    50,188.68/75,283.34 = 15,128.20/x
  3. Step 3: Cross multiply
    50,188.68x = 75,283.34 × 15,128.20
  4. Step 4: Simplify right side
    50,188.68x = 1,138,901,424.19
  5. Step 5: Solve for x
    x = 1,138,901,424.19/50,188.68
  6. Step 6: Final answer
    x = 22,692.40

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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.