Home / 34,721.86-52,013.13-15,975.78

Finding the Fourth Proportional to 34,721.86, 52,013.13 and 15,975.78

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Solution

The fourth proportional to 34,721.86, 52,013.13 and 15,975.78 is: 23,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.86 : 52,013.13 = 15,975.78 : x
  2. Step 2: Convert to fraction form
    34,721.86/52,013.13 = 15,975.78/x
  3. Step 3: Cross multiply
    34,721.86x = 52,013.13 × 15,975.78
  4. Step 4: Simplify right side
    34,721.86x = 830,950,321.99
  5. Step 5: Solve for x
    x = 830,950,321.99/34,721.86
  6. Step 6: Final answer
    x = 23,931.62

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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.