Home / 31,220.40-46,826.72-18,404.93

Finding the Fourth Proportional to 31,220.40, 46,826.72 and 18,404.93

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Solution

The fourth proportional to 31,220.40, 46,826.72 and 18,404.93 is: 27,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.40 : 46,826.72 = 18,404.93 : x
  2. Step 2: Convert to fraction form
    31,220.40/46,826.72 = 18,404.93/x
  3. Step 3: Cross multiply
    31,220.40x = 46,826.72 × 18,404.93
  4. Step 4: Simplify right side
    31,220.40x = 861,842,414.33
  5. Step 5: Solve for x
    x = 861,842,414.33/31,220.40
  6. Step 6: Final answer
    x = 27,605.10

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1.5x scale

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.