Home / 31,201.92-46,750.08-18,864

Finding the Fourth Proportional to 31,201.92, 46,750.08 and 18,864

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Solution

The fourth proportional to 31,201.92, 46,750.08 and 18,864 is: 28,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.92 : 46,750.08 = 18,864 : x
  2. Step 2: Convert to fraction form
    31,201.92/46,750.08 = 18,864/x
  3. Step 3: Cross multiply
    31,201.92x = 46,750.08 × 18,864
  4. Step 4: Simplify right side
    31,201.92x = 881,893,509.12
  5. Step 5: Solve for x
    x = 881,893,509.12/31,201.92
  6. Step 6: Final answer
    x = 28,264.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.