Home / 40,783.50-61,184.03-12,702.96

Finding the Fourth Proportional to 40,783.50, 61,184.03 and 12,702.96

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Solution

The fourth proportional to 40,783.50, 61,184.03 and 12,702.96 is: 19,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.50 : 61,184.03 = 12,702.96 : x
  2. Step 2: Convert to fraction form
    40,783.50/61,184.03 = 12,702.96/x
  3. Step 3: Cross multiply
    40,783.50x = 61,184.03 × 12,702.96
  4. Step 4: Simplify right side
    40,783.50x = 777,218,222.21
  5. Step 5: Solve for x
    x = 777,218,222.21/40,783.50
  6. Step 6: Final answer
    x = 19,057.17

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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.