Home / 39,380-54,345.48-22,614.08

Finding the Fourth Proportional to 39,380, 54,345.48 and 22,614.08

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Solution

The fourth proportional to 39,380, 54,345.48 and 22,614.08 is: 31,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380 : 54,345.48 = 22,614.08 : x
  2. Step 2: Convert to fraction form
    39,380/54,345.48 = 22,614.08/x
  3. Step 3: Cross multiply
    39,380x = 54,345.48 × 22,614.08
  4. Step 4: Simplify right side
    39,380x = 1,228,973,032.36
  5. Step 5: Solve for x
    x = 1,228,973,032.36/39,380
  6. Step 6: Final answer
    x = 31,208.05

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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.