Home / 30,161.34-45,244.26-9,099.72

Finding the Fourth Proportional to 30,161.34, 45,244.26 and 9,099.72

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Solution

The fourth proportional to 30,161.34, 45,244.26 and 9,099.72 is: 13,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.34 : 45,244.26 = 9,099.72 : x
  2. Step 2: Convert to fraction form
    30,161.34/45,244.26 = 9,099.72/x
  3. Step 3: Cross multiply
    30,161.34x = 45,244.26 × 9,099.72
  4. Step 4: Simplify right side
    30,161.34x = 411,710,097.61
  5. Step 5: Solve for x
    x = 411,710,097.61/30,161.34
  6. Step 6: Final answer
    x = 13,650.26

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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.