Home / 31,818.35-43,908.47-17,670.28

Finding the Fourth Proportional to 31,818.35, 43,908.47 and 17,670.28

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Solution

The fourth proportional to 31,818.35, 43,908.47 and 17,670.28 is: 24,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.35 : 43,908.47 = 17,670.28 : x
  2. Step 2: Convert to fraction form
    31,818.35/43,908.47 = 17,670.28/x
  3. Step 3: Cross multiply
    31,818.35x = 43,908.47 × 17,670.28
  4. Step 4: Simplify right side
    31,818.35x = 775,874,959.27
  5. Step 5: Solve for x
    x = 775,874,959.27/31,818.35
  6. Step 6: Final answer
    x = 24,384.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.