Home / 39,817.41-54,946.65-21,910.74

Finding the Fourth Proportional to 39,817.41, 54,946.65 and 21,910.74

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Solution

The fourth proportional to 39,817.41, 54,946.65 and 21,910.74 is: 30,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.41 : 54,946.65 = 21,910.74 : x
  2. Step 2: Convert to fraction form
    39,817.41/54,946.65 = 21,910.74/x
  3. Step 3: Cross multiply
    39,817.41x = 54,946.65 × 21,910.74
  4. Step 4: Simplify right side
    39,817.41x = 1,203,921,762.02
  5. Step 5: Solve for x
    x = 1,203,921,762.02/39,817.41
  6. Step 6: Final answer
    x = 30,236.06

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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.