Home / 39,737.07-54,835.83-21,830.94

Finding the Fourth Proportional to 39,737.07, 54,835.83 and 21,830.94

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Solution

The fourth proportional to 39,737.07, 54,835.83 and 21,830.94 is: 30,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.07 : 54,835.83 = 21,830.94 : x
  2. Step 2: Convert to fraction form
    39,737.07/54,835.83 = 21,830.94/x
  3. Step 3: Cross multiply
    39,737.07x = 54,835.83 × 21,830.94
  4. Step 4: Simplify right side
    39,737.07x = 1,197,117,714.58
  5. Step 5: Solve for x
    x = 1,197,117,714.58/39,737.07
  6. Step 6: Final answer
    x = 30,125.97

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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.