Home / 31,242.33-46,863.50-7,870.59

Finding the Fourth Proportional to 31,242.33, 46,863.50 and 7,870.59

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Solution

The fourth proportional to 31,242.33, 46,863.50 and 7,870.59 is: 11,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.33 : 46,863.50 = 7,870.59 : x
  2. Step 2: Convert to fraction form
    31,242.33/46,863.50 = 7,870.59/x
  3. Step 3: Cross multiply
    31,242.33x = 46,863.50 × 7,870.59
  4. Step 4: Simplify right side
    31,242.33x = 368,843,355.11
  5. Step 5: Solve for x
    x = 368,843,355.11/31,242.33
  6. Step 6: Final answer
    x = 11,805.89

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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.