Home / 30,801.90-42,507.25-17,370.58

Finding the Fourth Proportional to 30,801.90, 42,507.25 and 17,370.58

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Solution

The fourth proportional to 30,801.90, 42,507.25 and 17,370.58 is: 23,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.90 : 42,507.25 = 17,370.58 : x
  2. Step 2: Convert to fraction form
    30,801.90/42,507.25 = 17,370.58/x
  3. Step 3: Cross multiply
    30,801.90x = 42,507.25 × 17,370.58
  4. Step 4: Simplify right side
    30,801.90x = 738,375,586.71
  5. Step 5: Solve for x
    x = 738,375,586.71/30,801.90
  6. Step 6: Final answer
    x = 23,971.75

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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.