Home / 30,411.88-45,622.19-9,353.69

Finding the Fourth Proportional to 30,411.88, 45,622.19 and 9,353.69

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Solution

The fourth proportional to 30,411.88, 45,622.19 and 9,353.69 is: 14,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.88 : 45,622.19 = 9,353.69 : x
  2. Step 2: Convert to fraction form
    30,411.88/45,622.19 = 9,353.69/x
  3. Step 3: Cross multiply
    30,411.88x = 45,622.19 × 9,353.69
  4. Step 4: Simplify right side
    30,411.88x = 426,735,822.38
  5. Step 5: Solve for x
    x = 426,735,822.38/30,411.88
  6. Step 6: Final answer
    x = 14,031.88

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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.