Home / 30,280.26-45,427.66-9,503.76

Finding the Fourth Proportional to 30,280.26, 45,427.66 and 9,503.76

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Solution

The fourth proportional to 30,280.26, 45,427.66 and 9,503.76 is: 14,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.26 : 45,427.66 = 9,503.76 : x
  2. Step 2: Convert to fraction form
    30,280.26/45,427.66 = 9,503.76/x
  3. Step 3: Cross multiply
    30,280.26x = 45,427.66 × 9,503.76
  4. Step 4: Simplify right side
    30,280.26x = 431,733,578.00
  5. Step 5: Solve for x
    x = 431,733,578.00/30,280.26
  6. Step 6: Final answer
    x = 14,257.92

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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.