Home / 34,637.28-47,799.63-20,305.56

Finding the Fourth Proportional to 34,637.28, 47,799.63 and 20,305.56

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Solution

The fourth proportional to 34,637.28, 47,799.63 and 20,305.56 is: 28,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,637.28 : 47,799.63 = 20,305.56 : x
  2. Step 2: Convert to fraction form
    34,637.28/47,799.63 = 20,305.56/x
  3. Step 3: Cross multiply
    34,637.28x = 47,799.63 × 20,305.56
  4. Step 4: Simplify right side
    34,637.28x = 970,598,254.94
  5. Step 5: Solve for x
    x = 970,598,254.94/34,637.28
  6. Step 6: Final answer
    x = 28,021.78

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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.