Home / 48,320.84-72,479.90-13,260.54

Finding the Fourth Proportional to 48,320.84, 72,479.90 and 13,260.54

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Solution

The fourth proportional to 48,320.84, 72,479.90 and 13,260.54 is: 19,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.84 : 72,479.90 = 13,260.54 : x
  2. Step 2: Convert to fraction form
    48,320.84/72,479.90 = 13,260.54/x
  3. Step 3: Cross multiply
    48,320.84x = 72,479.90 × 13,260.54
  4. Step 4: Simplify right side
    48,320.84x = 961,122,613.15
  5. Step 5: Solve for x
    x = 961,122,613.15/48,320.84
  6. Step 6: Final answer
    x = 19,890.44

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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.