Home / 31,586.37-47,345.51-16,780.38

Finding the Fourth Proportional to 31,586.37, 47,345.51 and 16,780.38

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Solution

The fourth proportional to 31,586.37, 47,345.51 and 16,780.38 is: 25,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.37 : 47,345.51 = 16,780.38 : x
  2. Step 2: Convert to fraction form
    31,586.37/47,345.51 = 16,780.38/x
  3. Step 3: Cross multiply
    31,586.37x = 47,345.51 × 16,780.38
  4. Step 4: Simplify right side
    31,586.37x = 794,475,691.04
  5. Step 5: Solve for x
    x = 794,475,691.04/31,586.37
  6. Step 6: Final answer
    x = 25,152.48

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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.