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Finding the Fourth Proportional to 36,702.70, 55,054.05 and 9,000.70

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Solution

The fourth proportional to 36,702.70, 55,054.05 and 9,000.70 is: 13,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.70 : 55,054.05 = 9,000.70 : x
  2. Step 2: Convert to fraction form
    36,702.70/55,054.05 = 9,000.70/x
  3. Step 3: Cross multiply
    36,702.70x = 55,054.05 × 9,000.70
  4. Step 4: Simplify right side
    36,702.70x = 495,524,987.84
  5. Step 5: Solve for x
    x = 495,524,987.84/36,702.70
  6. Step 6: Final answer
    x = 13,501.05

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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.