Home / 30,068.26-45,102.66-9,291.76

Finding the Fourth Proportional to 30,068.26, 45,102.66 and 9,291.76

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Solution

The fourth proportional to 30,068.26, 45,102.66 and 9,291.76 is: 13,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.26 : 45,102.66 = 9,291.76 : x
  2. Step 2: Convert to fraction form
    30,068.26/45,102.66 = 9,291.76/x
  3. Step 3: Cross multiply
    30,068.26x = 45,102.66 × 9,291.76
  4. Step 4: Simplify right side
    30,068.26x = 419,083,092.08
  5. Step 5: Solve for x
    x = 419,083,092.08/30,068.26
  6. Step 6: Final answer
    x = 13,937.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.