Home / 30,046.32-45,056.33-14,255.85

Finding the Fourth Proportional to 30,046.32, 45,056.33 and 14,255.85

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Solution

The fourth proportional to 30,046.32, 45,056.33 and 14,255.85 is: 21,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.32 : 45,056.33 = 14,255.85 : x
  2. Step 2: Convert to fraction form
    30,046.32/45,056.33 = 14,255.85/x
  3. Step 3: Cross multiply
    30,046.32x = 45,056.33 × 14,255.85
  4. Step 4: Simplify right side
    30,046.32x = 642,316,433.17
  5. Step 5: Solve for x
    x = 642,316,433.17/30,046.32
  6. Step 6: Final answer
    x = 21,377.54

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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.