Home / 31,329.09-43,237.17-17,901.39

Finding the Fourth Proportional to 31,329.09, 43,237.17 and 17,901.39

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Solution

The fourth proportional to 31,329.09, 43,237.17 and 17,901.39 is: 24,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.09 : 43,237.17 = 17,901.39 : x
  2. Step 2: Convert to fraction form
    31,329.09/43,237.17 = 17,901.39/x
  3. Step 3: Cross multiply
    31,329.09x = 43,237.17 × 17,901.39
  4. Step 4: Simplify right side
    31,329.09x = 774,005,442.67
  5. Step 5: Solve for x
    x = 774,005,442.67/31,329.09
  6. Step 6: Final answer
    x = 24,705.65

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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.