Home / 36,486.65-50,354.63-20,574.39

Finding the Fourth Proportional to 36,486.65, 50,354.63 and 20,574.39

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Solution

The fourth proportional to 36,486.65, 50,354.63 and 20,574.39 is: 28,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.65 : 50,354.63 = 20,574.39 : x
  2. Step 2: Convert to fraction form
    36,486.65/50,354.63 = 20,574.39/x
  3. Step 3: Cross multiply
    36,486.65x = 50,354.63 × 20,574.39
  4. Step 4: Simplify right side
    36,486.65x = 1,036,015,693.05
  5. Step 5: Solve for x
    x = 1,036,015,693.05/36,486.65
  6. Step 6: Final answer
    x = 28,394.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.