Home / 38,636.98-53,262.88-31,910.74

Finding the Fourth Proportional to 38,636.98, 53,262.88 and 31,910.74

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Solution

The fourth proportional to 38,636.98, 53,262.88 and 31,910.74 is: 43,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.98 : 53,262.88 = 31,910.74 : x
  2. Step 2: Convert to fraction form
    38,636.98/53,262.88 = 31,910.74/x
  3. Step 3: Cross multiply
    38,636.98x = 53,262.88 × 31,910.74
  4. Step 4: Simplify right side
    38,636.98x = 1,699,657,915.33
  5. Step 5: Solve for x
    x = 1,699,657,915.33/38,636.98
  6. Step 6: Final answer
    x = 43,990.44

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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.