Home / 35,302.28-48,718.50-20,197.63

Finding the Fourth Proportional to 35,302.28, 48,718.50 and 20,197.63

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Solution

The fourth proportional to 35,302.28, 48,718.50 and 20,197.63 is: 27,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,302.28 : 48,718.50 = 20,197.63 : x
  2. Step 2: Convert to fraction form
    35,302.28/48,718.50 = 20,197.63/x
  3. Step 3: Cross multiply
    35,302.28x = 48,718.50 × 20,197.63
  4. Step 4: Simplify right side
    35,302.28x = 983,998,170.50
  5. Step 5: Solve for x
    x = 983,998,170.50/35,302.28
  6. Step 6: Final answer
    x = 27,873.50

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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.