Home / 31,518.84-43,497.95-17,371.65

Finding the Fourth Proportional to 31,518.84, 43,497.95 and 17,371.65

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Solution

The fourth proportional to 31,518.84, 43,497.95 and 17,371.65 is: 23,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.84 : 43,497.95 = 17,371.65 : x
  2. Step 2: Convert to fraction form
    31,518.84/43,497.95 = 17,371.65/x
  3. Step 3: Cross multiply
    31,518.84x = 43,497.95 × 17,371.65
  4. Step 4: Simplify right side
    31,518.84x = 755,631,076.26
  5. Step 5: Solve for x
    x = 755,631,076.26/31,518.84
  6. Step 6: Final answer
    x = 23,973.95

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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.