Home / 48,251.07-72,381.63-13,190.76

Finding the Fourth Proportional to 48,251.07, 72,381.63 and 13,190.76

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Solution

The fourth proportional to 48,251.07, 72,381.63 and 13,190.76 is: 19,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.07 : 72,381.63 = 13,190.76 : x
  2. Step 2: Convert to fraction form
    48,251.07/72,381.63 = 13,190.76/x
  3. Step 3: Cross multiply
    48,251.07x = 72,381.63 × 13,190.76
  4. Step 4: Simplify right side
    48,251.07x = 954,768,709.74
  5. Step 5: Solve for x
    x = 954,768,709.74/48,251.07
  6. Step 6: Final answer
    x = 19,787.51

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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.