Home / 30,801.54-42,506.12-17,372.76

Finding the Fourth Proportional to 30,801.54, 42,506.12 and 17,372.76

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Solution

The fourth proportional to 30,801.54, 42,506.12 and 17,372.76 is: 23,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.54 : 42,506.12 = 17,372.76 : x
  2. Step 2: Convert to fraction form
    30,801.54/42,506.12 = 17,372.76/x
  3. Step 3: Cross multiply
    30,801.54x = 42,506.12 × 17,372.76
  4. Step 4: Simplify right side
    30,801.54x = 738,448,621.29
  5. Step 5: Solve for x
    x = 738,448,621.29/30,801.54
  6. Step 6: Final answer
    x = 23,974.41

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Half scale
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Double scale
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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.