Home / 31,477.68-43,436.16-18,046.08

Finding the Fourth Proportional to 31,477.68, 43,436.16 and 18,046.08

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Solution

The fourth proportional to 31,477.68, 43,436.16 and 18,046.08 is: 24,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.68 : 43,436.16 = 18,046.08 : x
  2. Step 2: Convert to fraction form
    31,477.68/43,436.16 = 18,046.08/x
  3. Step 3: Cross multiply
    31,477.68x = 43,436.16 × 18,046.08
  4. Step 4: Simplify right side
    31,477.68x = 783,852,418.25
  5. Step 5: Solve for x
    x = 783,852,418.25/31,477.68
  6. Step 6: Final answer
    x = 24,901.85

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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.