Home / 34,885.28-48,141.74-18,969.68

Finding the Fourth Proportional to 34,885.28, 48,141.74 and 18,969.68

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Solution

The fourth proportional to 34,885.28, 48,141.74 and 18,969.68 is: 26,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.28 : 48,141.74 = 18,969.68 : x
  2. Step 2: Convert to fraction form
    34,885.28/48,141.74 = 18,969.68/x
  3. Step 3: Cross multiply
    34,885.28x = 48,141.74 × 18,969.68
  4. Step 4: Simplify right side
    34,885.28x = 913,233,402.44
  5. Step 5: Solve for x
    x = 913,233,402.44/34,885.28
  6. Step 6: Final answer
    x = 26,178.19

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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.