Home / 29,377.04-40,620.12-28,902.28

Finding the Fourth Proportional to 29,377.04, 40,620.12 and 28,902.28

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Solution

The fourth proportional to 29,377.04, 40,620.12 and 28,902.28 is: 39,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,377.04 : 40,620.12 = 28,902.28 : x
  2. Step 2: Convert to fraction form
    29,377.04/40,620.12 = 28,902.28/x
  3. Step 3: Cross multiply
    29,377.04x = 40,620.12 × 28,902.28
  4. Step 4: Simplify right side
    29,377.04x = 1,174,014,081.87
  5. Step 5: Solve for x
    x = 1,174,014,081.87/29,377.04
  6. Step 6: Final answer
    x = 39,963.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.