Home / 31,858-47,836.32-17,095.72

Finding the Fourth Proportional to 31,858, 47,836.32 and 17,095.72

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Solution

The fourth proportional to 31,858, 47,836.32 and 17,095.72 is: 25,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858 : 47,836.32 = 17,095.72 : x
  2. Step 2: Convert to fraction form
    31,858/47,836.32 = 17,095.72/x
  3. Step 3: Cross multiply
    31,858x = 47,836.32 × 17,095.72
  4. Step 4: Simplify right side
    31,858x = 817,796,332.55
  5. Step 5: Solve for x
    x = 817,796,332.55/31,858
  6. Step 6: Final answer
    x = 25,670.05

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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.