Home / 30,801.56-42,505.95-17,372.93

Finding the Fourth Proportional to 30,801.56, 42,505.95 and 17,372.93

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Solution

The fourth proportional to 30,801.56, 42,505.95 and 17,372.93 is: 23,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.56 : 42,505.95 = 17,372.93 : x
  2. Step 2: Convert to fraction form
    30,801.56/42,505.95 = 17,372.93/x
  3. Step 3: Cross multiply
    30,801.56x = 42,505.95 × 17,372.93
  4. Step 4: Simplify right side
    30,801.56x = 738,452,594.54
  5. Step 5: Solve for x
    x = 738,452,594.54/30,801.56
  6. Step 6: Final answer
    x = 23,974.52

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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.