Home / 36,005.04-49,686.80-20,089.46

Finding the Fourth Proportional to 36,005.04, 49,686.80 and 20,089.46

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Solution

The fourth proportional to 36,005.04, 49,686.80 and 20,089.46 is: 27,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.04 : 49,686.80 = 20,089.46 : x
  2. Step 2: Convert to fraction form
    36,005.04/49,686.80 = 20,089.46/x
  3. Step 3: Cross multiply
    36,005.04x = 49,686.80 × 20,089.46
  4. Step 4: Simplify right side
    36,005.04x = 998,180,981.13
  5. Step 5: Solve for x
    x = 998,180,981.13/36,005.04
  6. Step 6: Final answer
    x = 27,723.37

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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.