Home / 34,869.54-48,120.81-18,954.87

Finding the Fourth Proportional to 34,869.54, 48,120.81 and 18,954.87

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Solution

The fourth proportional to 34,869.54, 48,120.81 and 18,954.87 is: 26,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.54 : 48,120.81 = 18,954.87 : x
  2. Step 2: Convert to fraction form
    34,869.54/48,120.81 = 18,954.87/x
  3. Step 3: Cross multiply
    34,869.54x = 48,120.81 × 18,954.87
  4. Step 4: Simplify right side
    34,869.54x = 912,123,697.84
  5. Step 5: Solve for x
    x = 912,123,697.84/34,869.54
  6. Step 6: Final answer
    x = 26,158.18

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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.