Home / 33,478.90-50,218.32-12,702.40

Finding the Fourth Proportional to 33,478.90, 50,218.32 and 12,702.40

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Solution

The fourth proportional to 33,478.90, 50,218.32 and 12,702.40 is: 19,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,478.90 : 50,218.32 = 12,702.40 : x
  2. Step 2: Convert to fraction form
    33,478.90/50,218.32 = 12,702.40/x
  3. Step 3: Cross multiply
    33,478.90x = 50,218.32 × 12,702.40
  4. Step 4: Simplify right side
    33,478.90x = 637,893,187.97
  5. Step 5: Solve for x
    x = 637,893,187.97/33,478.90
  6. Step 6: Final answer
    x = 19,053.59

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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.