Home / 30,068.75-45,100.08-10,348.71

Finding the Fourth Proportional to 30,068.75, 45,100.08 and 10,348.71

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Solution

The fourth proportional to 30,068.75, 45,100.08 and 10,348.71 is: 15,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.75 : 45,100.08 = 10,348.71 : x
  2. Step 2: Convert to fraction form
    30,068.75/45,100.08 = 10,348.71/x
  3. Step 3: Cross multiply
    30,068.75x = 45,100.08 × 10,348.71
  4. Step 4: Simplify right side
    30,068.75x = 466,727,648.90
  5. Step 5: Solve for x
    x = 466,727,648.90/30,068.75
  6. Step 6: Final answer
    x = 15,522.02

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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.