Home / 30,307.20-45,467.94-9,530.70

Finding the Fourth Proportional to 30,307.20, 45,467.94 and 9,530.70

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Solution

The fourth proportional to 30,307.20, 45,467.94 and 9,530.70 is: 14,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.20 : 45,467.94 = 9,530.70 : x
  2. Step 2: Convert to fraction form
    30,307.20/45,467.94 = 9,530.70/x
  3. Step 3: Cross multiply
    30,307.20x = 45,467.94 × 9,530.70
  4. Step 4: Simplify right side
    30,307.20x = 433,341,295.76
  5. Step 5: Solve for x
    x = 433,341,295.76/30,307.20
  6. Step 6: Final answer
    x = 14,298.30

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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.