Home / 31,493.52-47,222.10-15,666.35

Finding the Fourth Proportional to 31,493.52, 47,222.10 and 15,666.35

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Solution

The fourth proportional to 31,493.52, 47,222.10 and 15,666.35 is: 23,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.52 : 47,222.10 = 15,666.35 : x
  2. Step 2: Convert to fraction form
    31,493.52/47,222.10 = 15,666.35/x
  3. Step 3: Cross multiply
    31,493.52x = 47,222.10 × 15,666.35
  4. Step 4: Simplify right side
    31,493.52x = 739,797,710.22
  5. Step 5: Solve for x
    x = 739,797,710.22/31,493.52
  6. Step 6: Final answer
    x = 23,490.47

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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.