Home / 31,242.84-46,805.40-15,429.36

Finding the Fourth Proportional to 31,242.84, 46,805.40 and 15,429.36

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Solution

The fourth proportional to 31,242.84, 46,805.40 and 15,429.36 is: 23,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.84 : 46,805.40 = 15,429.36 : x
  2. Step 2: Convert to fraction form
    31,242.84/46,805.40 = 15,429.36/x
  3. Step 3: Cross multiply
    31,242.84x = 46,805.40 × 15,429.36
  4. Step 4: Simplify right side
    31,242.84x = 722,177,366.54
  5. Step 5: Solve for x
    x = 722,177,366.54/31,242.84
  6. Step 6: Final answer
    x = 23,114.97

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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.