Home / 30,319.05-45,480.26-9,262.29

Finding the Fourth Proportional to 30,319.05, 45,480.26 and 9,262.29

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Solution

The fourth proportional to 30,319.05, 45,480.26 and 9,262.29 is: 13,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.05 : 45,480.26 = 9,262.29 : x
  2. Step 2: Convert to fraction form
    30,319.05/45,480.26 = 9,262.29/x
  3. Step 3: Cross multiply
    30,319.05x = 45,480.26 × 9,262.29
  4. Step 4: Simplify right side
    30,319.05x = 421,251,357.40
  5. Step 5: Solve for x
    x = 421,251,357.40/30,319.05
  6. Step 6: Final answer
    x = 13,893.95

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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.