Home / 42,717.61-64,016.26-20,204.27

Finding the Fourth Proportional to 42,717.61, 64,016.26 and 20,204.27

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Solution

The fourth proportional to 42,717.61, 64,016.26 and 20,204.27 is: 30,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.61 : 64,016.26 = 20,204.27 : x
  2. Step 2: Convert to fraction form
    42,717.61/64,016.26 = 20,204.27/x
  3. Step 3: Cross multiply
    42,717.61x = 64,016.26 × 20,204.27
  4. Step 4: Simplify right side
    42,717.61x = 1,293,401,670.90
  5. Step 5: Solve for x
    x = 1,293,401,670.90/42,717.61
  6. Step 6: Final answer
    x = 30,277.95

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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.