Home / 48,218.84-72,328.17-13,158.44

Finding the Fourth Proportional to 48,218.84, 72,328.17 and 13,158.44

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Solution

The fourth proportional to 48,218.84, 72,328.17 and 13,158.44 is: 19,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218.84 : 72,328.17 = 13,158.44 : x
  2. Step 2: Convert to fraction form
    48,218.84/72,328.17 = 13,158.44/x
  3. Step 3: Cross multiply
    48,218.84x = 72,328.17 × 13,158.44
  4. Step 4: Simplify right side
    48,218.84x = 951,725,885.25
  5. Step 5: Solve for x
    x = 951,725,885.25/48,218.84
  6. Step 6: Final answer
    x = 19,737.64

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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.