Home / 38,602.26-53,267.31-21,605.49

Finding the Fourth Proportional to 38,602.26, 53,267.31 and 21,605.49

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Solution

The fourth proportional to 38,602.26, 53,267.31 and 21,605.49 is: 29,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,602.26 : 53,267.31 = 21,605.49 : x
  2. Step 2: Convert to fraction form
    38,602.26/53,267.31 = 21,605.49/x
  3. Step 3: Cross multiply
    38,602.26x = 53,267.31 × 21,605.49
  4. Step 4: Simplify right side
    38,602.26x = 1,150,866,333.53
  5. Step 5: Solve for x
    x = 1,150,866,333.53/38,602.26
  6. Step 6: Final answer
    x = 29,813.44

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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.