Home / 39,790.76-54,915.91-22,800.50

Finding the Fourth Proportional to 39,790.76, 54,915.91 and 22,800.50

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Solution

The fourth proportional to 39,790.76, 54,915.91 and 22,800.50 is: 31,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.76 : 54,915.91 = 22,800.50 : x
  2. Step 2: Convert to fraction form
    39,790.76/54,915.91 = 22,800.50/x
  3. Step 3: Cross multiply
    39,790.76x = 54,915.91 × 22,800.50
  4. Step 4: Simplify right side
    39,790.76x = 1,252,110,253.72
  5. Step 5: Solve for x
    x = 1,252,110,253.72/39,790.76
  6. Step 6: Final answer
    x = 31,467.36

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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.