Home / 31,220.76-43,085.67-17,073.60

Finding the Fourth Proportional to 31,220.76, 43,085.67 and 17,073.60

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Solution

The fourth proportional to 31,220.76, 43,085.67 and 17,073.60 is: 23,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.76 : 43,085.67 = 17,073.60 : x
  2. Step 2: Convert to fraction form
    31,220.76/43,085.67 = 17,073.60/x
  3. Step 3: Cross multiply
    31,220.76x = 43,085.67 × 17,073.60
  4. Step 4: Simplify right side
    31,220.76x = 735,627,495.31
  5. Step 5: Solve for x
    x = 735,627,495.31/31,220.76
  6. Step 6: Final answer
    x = 23,562.13

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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.