Home / 50,986.05-76,482.45-13,545.60

Finding the Fourth Proportional to 50,986.05, 76,482.45 and 13,545.60

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Solution

The fourth proportional to 50,986.05, 76,482.45 and 13,545.60 is: 20,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.05 : 76,482.45 = 13,545.60 : x
  2. Step 2: Convert to fraction form
    50,986.05/76,482.45 = 13,545.60/x
  3. Step 3: Cross multiply
    50,986.05x = 76,482.45 × 13,545.60
  4. Step 4: Simplify right side
    50,986.05x = 1,036,000,674.72
  5. Step 5: Solve for x
    x = 1,036,000,674.72/50,986.05
  6. Step 6: Final answer
    x = 20,319.30

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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.