Home / 30,320.38-45,487.38-11,599.90

Finding the Fourth Proportional to 30,320.38, 45,487.38 and 11,599.90

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Solution

The fourth proportional to 30,320.38, 45,487.38 and 11,599.90 is: 17,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.38 : 45,487.38 = 11,599.90 : x
  2. Step 2: Convert to fraction form
    30,320.38/45,487.38 = 11,599.90/x
  3. Step 3: Cross multiply
    30,320.38x = 45,487.38 × 11,599.90
  4. Step 4: Simplify right side
    30,320.38x = 527,649,059.26
  5. Step 5: Solve for x
    x = 527,649,059.26/30,320.38
  6. Step 6: Final answer
    x = 17,402.46

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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.