Home / 53,089.35-79,540.47-28,074.12

Finding the Fourth Proportional to 53,089.35, 79,540.47 and 28,074.12

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Solution

The fourth proportional to 53,089.35, 79,540.47 and 28,074.12 is: 42,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.35 : 79,540.47 = 28,074.12 : x
  2. Step 2: Convert to fraction form
    53,089.35/79,540.47 = 28,074.12/x
  3. Step 3: Cross multiply
    53,089.35x = 79,540.47 × 28,074.12
  4. Step 4: Simplify right side
    53,089.35x = 2,233,028,699.64
  5. Step 5: Solve for x
    x = 2,233,028,699.64/53,089.35
  6. Step 6: Final answer
    x = 42,061.71

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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.