Home / 35,717.40-49,291.20-21,567.42

Finding the Fourth Proportional to 35,717.40, 49,291.20 and 21,567.42

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Solution

The fourth proportional to 35,717.40, 49,291.20 and 21,567.42 is: 29,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,717.40 : 49,291.20 = 21,567.42 : x
  2. Step 2: Convert to fraction form
    35,717.40/49,291.20 = 21,567.42/x
  3. Step 3: Cross multiply
    35,717.40x = 49,291.20 × 21,567.42
  4. Step 4: Simplify right side
    35,717.40x = 1,063,084,012.70
  5. Step 5: Solve for x
    x = 1,063,084,012.70/35,717.40
  6. Step 6: Final answer
    x = 29,763.76

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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.