Home / 29,100.76-40,174.40-19,590.66

Finding the Fourth Proportional to 29,100.76, 40,174.40 and 19,590.66

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Solution

The fourth proportional to 29,100.76, 40,174.40 and 19,590.66 is: 27,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.76 : 40,174.40 = 19,590.66 : x
  2. Step 2: Convert to fraction form
    29,100.76/40,174.40 = 19,590.66/x
  3. Step 3: Cross multiply
    29,100.76x = 40,174.40 × 19,590.66
  4. Step 4: Simplify right side
    29,100.76x = 787,043,011.10
  5. Step 5: Solve for x
    x = 787,043,011.10/29,100.76
  6. Step 6: Final answer
    x = 27,045.45

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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.