Home / 48,013.07-72,020.94-12,952.63

Finding the Fourth Proportional to 48,013.07, 72,020.94 and 12,952.63

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Solution

The fourth proportional to 48,013.07, 72,020.94 and 12,952.63 is: 19,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,013.07 : 72,020.94 = 12,952.63 : x
  2. Step 2: Convert to fraction form
    48,013.07/72,020.94 = 12,952.63/x
  3. Step 3: Cross multiply
    48,013.07x = 72,020.94 × 12,952.63
  4. Step 4: Simplify right side
    48,013.07x = 932,860,163.20
  5. Step 5: Solve for x
    x = 932,860,163.20/48,013.07
  6. Step 6: Final answer
    x = 19,429.30

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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.