Home / 39,807.95-54,907.76-32,722.07

Finding the Fourth Proportional to 39,807.95, 54,907.76 and 32,722.07

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Solution

The fourth proportional to 39,807.95, 54,907.76 and 32,722.07 is: 45,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.95 : 54,907.76 = 32,722.07 : x
  2. Step 2: Convert to fraction form
    39,807.95/54,907.76 = 32,722.07/x
  3. Step 3: Cross multiply
    39,807.95x = 54,907.76 × 32,722.07
  4. Step 4: Simplify right side
    39,807.95x = 1,796,695,402.65
  5. Step 5: Solve for x
    x = 1,796,695,402.65/39,807.95
  6. Step 6: Final answer
    x = 45,134.09

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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.