Home / 47,992.52-71,983.91-12,935.72

Finding the Fourth Proportional to 47,992.52, 71,983.91 and 12,935.72

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Solution

The fourth proportional to 47,992.52, 71,983.91 and 12,935.72 is: 19,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.52 : 71,983.91 = 12,935.72 : x
  2. Step 2: Convert to fraction form
    47,992.52/71,983.91 = 12,935.72/x
  3. Step 3: Cross multiply
    47,992.52x = 71,983.91 × 12,935.72
  4. Step 4: Simplify right side
    47,992.52x = 931,163,344.35
  5. Step 5: Solve for x
    x = 931,163,344.35/47,992.52
  6. Step 6: Final answer
    x = 19,402.26

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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.