Home / 31,182.74-43,032.21-17,035.82

Finding the Fourth Proportional to 31,182.74, 43,032.21 and 17,035.82

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Solution

The fourth proportional to 31,182.74, 43,032.21 and 17,035.82 is: 23,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.74 : 43,032.21 = 17,035.82 : x
  2. Step 2: Convert to fraction form
    31,182.74/43,032.21 = 17,035.82/x
  3. Step 3: Cross multiply
    31,182.74x = 43,032.21 × 17,035.82
  4. Step 4: Simplify right side
    31,182.74x = 733,088,983.76
  5. Step 5: Solve for x
    x = 733,088,983.76/31,182.74
  6. Step 6: Final answer
    x = 23,509.45

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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.