Home / 39,477.75-54,479.30-22,710.75

Finding the Fourth Proportional to 39,477.75, 54,479.30 and 22,710.75

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Solution

The fourth proportional to 39,477.75, 54,479.30 and 22,710.75 is: 31,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.75 : 54,479.30 = 22,710.75 : x
  2. Step 2: Convert to fraction form
    39,477.75/54,479.30 = 22,710.75/x
  3. Step 3: Cross multiply
    39,477.75x = 54,479.30 × 22,710.75
  4. Step 4: Simplify right side
    39,477.75x = 1,237,265,648.92
  5. Step 5: Solve for x
    x = 1,237,265,648.92/39,477.75
  6. Step 6: Final answer
    x = 31,340.84

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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.