Home / 39,803.68-54,929.54-22,807.58

Finding the Fourth Proportional to 39,803.68, 54,929.54 and 22,807.58

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Solution

The fourth proportional to 39,803.68, 54,929.54 and 22,807.58 is: 31,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.68 : 54,929.54 = 22,807.58 : x
  2. Step 2: Convert to fraction form
    39,803.68/54,929.54 = 22,807.58/x
  3. Step 3: Cross multiply
    39,803.68x = 54,929.54 × 22,807.58
  4. Step 4: Simplify right side
    39,803.68x = 1,252,810,072.26
  5. Step 5: Solve for x
    x = 1,252,810,072.26/39,803.68
  6. Step 6: Final answer
    x = 31,474.73

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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.