Home / 50,102.06-75,158.10-18,520.40

Finding the Fourth Proportional to 50,102.06, 75,158.10 and 18,520.40

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Solution

The fourth proportional to 50,102.06, 75,158.10 and 18,520.40 is: 27,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,102.06 : 75,158.10 = 18,520.40 : x
  2. Step 2: Convert to fraction form
    50,102.06/75,158.10 = 18,520.40/x
  3. Step 3: Cross multiply
    50,102.06x = 75,158.10 × 18,520.40
  4. Step 4: Simplify right side
    50,102.06x = 1,391,958,075.24
  5. Step 5: Solve for x
    x = 1,391,958,075.24/50,102.06
  6. Step 6: Final answer
    x = 27,782.45

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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.