Home / 31,111.84-46,469.45-28,145.74

Finding the Fourth Proportional to 31,111.84, 46,469.45 and 28,145.74

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Solution

The fourth proportional to 31,111.84, 46,469.45 and 28,145.74 is: 42,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111.84 : 46,469.45 = 28,145.74 : x
  2. Step 2: Convert to fraction form
    31,111.84/46,469.45 = 28,145.74/x
  3. Step 3: Cross multiply
    31,111.84x = 46,469.45 × 28,145.74
  4. Step 4: Simplify right side
    31,111.84x = 1,307,917,057.64
  5. Step 5: Solve for x
    x = 1,307,917,057.64/31,111.84
  6. Step 6: Final answer
    x = 42,039.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.