Home / 30,735.86-42,417.60-17,126.04

Finding the Fourth Proportional to 30,735.86, 42,417.60 and 17,126.04

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Solution

The fourth proportional to 30,735.86, 42,417.60 and 17,126.04 is: 23,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.86 : 42,417.60 = 17,126.04 : x
  2. Step 2: Convert to fraction form
    30,735.86/42,417.60 = 17,126.04/x
  3. Step 3: Cross multiply
    30,735.86x = 42,417.60 × 17,126.04
  4. Step 4: Simplify right side
    30,735.86x = 726,445,514.30
  5. Step 5: Solve for x
    x = 726,445,514.30/30,735.86
  6. Step 6: Final answer
    x = 23,635.11

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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.