Home / 48,212.84-72,319.16-13,152.44

Finding the Fourth Proportional to 48,212.84, 72,319.16 and 13,152.44

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Solution

The fourth proportional to 48,212.84, 72,319.16 and 13,152.44 is: 19,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.84 : 72,319.16 = 13,152.44 : x
  2. Step 2: Convert to fraction form
    48,212.84/72,319.16 = 13,152.44/x
  3. Step 3: Cross multiply
    48,212.84x = 72,319.16 × 13,152.44
  4. Step 4: Simplify right side
    48,212.84x = 951,173,412.75
  5. Step 5: Solve for x
    x = 951,173,412.75/48,212.84
  6. Step 6: Final answer
    x = 19,728.63

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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.