Home / 40,223.31-55,509.08-22,317.65

Finding the Fourth Proportional to 40,223.31, 55,509.08 and 22,317.65

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Solution

The fourth proportional to 40,223.31, 55,509.08 and 22,317.65 is: 30,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.31 : 55,509.08 = 22,317.65 : x
  2. Step 2: Convert to fraction form
    40,223.31/55,509.08 = 22,317.65/x
  3. Step 3: Cross multiply
    40,223.31x = 55,509.08 × 22,317.65
  4. Step 4: Simplify right side
    40,223.31x = 1,238,832,219.26
  5. Step 5: Solve for x
    x = 1,238,832,219.26/40,223.31
  6. Step 6: Final answer
    x = 30,798.86

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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.