Home / 39,240.24-54,145.44-22,470

Finding the Fourth Proportional to 39,240.24, 54,145.44 and 22,470

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Solution

The fourth proportional to 39,240.24, 54,145.44 and 22,470 is: 31,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.24 : 54,145.44 = 22,470 : x
  2. Step 2: Convert to fraction form
    39,240.24/54,145.44 = 22,470/x
  3. Step 3: Cross multiply
    39,240.24x = 54,145.44 × 22,470
  4. Step 4: Simplify right side
    39,240.24x = 1,216,648,036.80
  5. Step 5: Solve for x
    x = 1,216,648,036.80/39,240.24
  6. Step 6: Final answer
    x = 31,005.11

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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.