Home / 29,452.40-40,637.64-21,498.96

Finding the Fourth Proportional to 29,452.40, 40,637.64 and 21,498.96

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Solution

The fourth proportional to 29,452.40, 40,637.64 and 21,498.96 is: 29,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,452.40 : 40,637.64 = 21,498.96 : x
  2. Step 2: Convert to fraction form
    29,452.40/40,637.64 = 21,498.96/x
  3. Step 3: Cross multiply
    29,452.40x = 40,637.64 × 21,498.96
  4. Step 4: Simplify right side
    29,452.40x = 873,666,996.85
  5. Step 5: Solve for x
    x = 873,666,996.85/29,452.40
  6. Step 6: Final answer
    x = 29,663.69

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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.