Home / 36,702.20-55,053.30-9,000.20

Finding the Fourth Proportional to 36,702.20, 55,053.30 and 9,000.20

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Solution

The fourth proportional to 36,702.20, 55,053.30 and 9,000.20 is: 13,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.20 : 55,053.30 = 9,000.20 : x
  2. Step 2: Convert to fraction form
    36,702.20/55,053.30 = 9,000.20/x
  3. Step 3: Cross multiply
    36,702.20x = 55,053.30 × 9,000.20
  4. Step 4: Simplify right side
    36,702.20x = 495,490,710.66
  5. Step 5: Solve for x
    x = 495,490,710.66/36,702.20
  6. Step 6: Final answer
    x = 13,500.30

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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.