Home / 30,207.83-45,324.50-15,207.12

Finding the Fourth Proportional to 30,207.83, 45,324.50 and 15,207.12

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Solution

The fourth proportional to 30,207.83, 45,324.50 and 15,207.12 is: 22,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.83 : 45,324.50 = 15,207.12 : x
  2. Step 2: Convert to fraction form
    30,207.83/45,324.50 = 15,207.12/x
  3. Step 3: Cross multiply
    30,207.83x = 45,324.50 × 15,207.12
  4. Step 4: Simplify right side
    30,207.83x = 689,255,034.40
  5. Step 5: Solve for x
    x = 689,255,034.40/30,207.83
  6. Step 6: Final answer
    x = 22,817.10

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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.