Home / 34,542.11-47,673.83-21,802.23

Finding the Fourth Proportional to 34,542.11, 47,673.83 and 21,802.23

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Solution

The fourth proportional to 34,542.11, 47,673.83 and 21,802.23 is: 30,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542.11 : 47,673.83 = 21,802.23 : x
  2. Step 2: Convert to fraction form
    34,542.11/47,673.83 = 21,802.23/x
  3. Step 3: Cross multiply
    34,542.11x = 47,673.83 × 21,802.23
  4. Step 4: Simplify right side
    34,542.11x = 1,039,395,861.15
  5. Step 5: Solve for x
    x = 1,039,395,861.15/34,542.11
  6. Step 6: Final answer
    x = 30,090.69

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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.