Home / 38,910.72-58,272.51-22,220.16

Finding the Fourth Proportional to 38,910.72, 58,272.51 and 22,220.16

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Solution

The fourth proportional to 38,910.72, 58,272.51 and 22,220.16 is: 33,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.72 : 58,272.51 = 22,220.16 : x
  2. Step 2: Convert to fraction form
    38,910.72/58,272.51 = 22,220.16/x
  3. Step 3: Cross multiply
    38,910.72x = 58,272.51 × 22,220.16
  4. Step 4: Simplify right side
    38,910.72x = 1,294,824,495.80
  5. Step 5: Solve for x
    x = 1,294,824,495.80/38,910.72
  6. Step 6: Final answer
    x = 33,276.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.