Home / 38,551.84-57,812.64-13,586.56

Finding the Fourth Proportional to 38,551.84, 57,812.64 and 13,586.56

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Solution

The fourth proportional to 38,551.84, 57,812.64 and 13,586.56 is: 20,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.84 : 57,812.64 = 13,586.56 : x
  2. Step 2: Convert to fraction form
    38,551.84/57,812.64 = 13,586.56/x
  3. Step 3: Cross multiply
    38,551.84x = 57,812.64 × 13,586.56
  4. Step 4: Simplify right side
    38,551.84x = 785,474,902.12
  5. Step 5: Solve for x
    x = 785,474,902.12/38,551.84
  6. Step 6: Final answer
    x = 20,374.51

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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.