Home / 30,816.75-46,225.14-12,348.75

Finding the Fourth Proportional to 30,816.75, 46,225.14 and 12,348.75

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Solution

The fourth proportional to 30,816.75, 46,225.14 and 12,348.75 is: 18,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.75 : 46,225.14 = 12,348.75 : x
  2. Step 2: Convert to fraction form
    30,816.75/46,225.14 = 12,348.75/x
  3. Step 3: Cross multiply
    30,816.75x = 46,225.14 × 12,348.75
  4. Step 4: Simplify right side
    30,816.75x = 570,822,697.58
  5. Step 5: Solve for x
    x = 570,822,697.58/30,816.75
  6. Step 6: Final answer
    x = 18,523.13

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Double scale
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Similar ratio
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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.