Home / 36,761.10-55,032.30-21,962.40

Finding the Fourth Proportional to 36,761.10, 55,032.30 and 21,962.40

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Solution

The fourth proportional to 36,761.10, 55,032.30 and 21,962.40 is: 32,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.10 : 55,032.30 = 21,962.40 : x
  2. Step 2: Convert to fraction form
    36,761.10/55,032.30 = 21,962.40/x
  3. Step 3: Cross multiply
    36,761.10x = 55,032.30 × 21,962.40
  4. Step 4: Simplify right side
    36,761.10x = 1,208,641,385.52
  5. Step 5: Solve for x
    x = 1,208,641,385.52/36,761.10
  6. Step 6: Final answer
    x = 32,878.27

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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.