Home / 34,720.86-52,011.63-15,974.78

Finding the Fourth Proportional to 34,720.86, 52,011.63 and 15,974.78

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Solution

The fourth proportional to 34,720.86, 52,011.63 and 15,974.78 is: 23,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.86 : 52,011.63 = 15,974.78 : x
  2. Step 2: Convert to fraction form
    34,720.86/52,011.63 = 15,974.78/x
  3. Step 3: Cross multiply
    34,720.86x = 52,011.63 × 15,974.78
  4. Step 4: Simplify right side
    34,720.86x = 830,874,346.69
  5. Step 5: Solve for x
    x = 830,874,346.69/34,720.86
  6. Step 6: Final answer
    x = 23,930.12

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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.