Home / 48,041.28-72,063.54-12,981.24

Finding the Fourth Proportional to 48,041.28, 72,063.54 and 12,981.24

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Solution

The fourth proportional to 48,041.28, 72,063.54 and 12,981.24 is: 19,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,041.28 : 72,063.54 = 12,981.24 : x
  2. Step 2: Convert to fraction form
    48,041.28/72,063.54 = 12,981.24/x
  3. Step 3: Cross multiply
    48,041.28x = 72,063.54 × 12,981.24
  4. Step 4: Simplify right side
    48,041.28x = 935,474,107.99
  5. Step 5: Solve for x
    x = 935,474,107.99/48,041.28
  6. Step 6: Final answer
    x = 19,472.30

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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.