Home / 31,167.16-46,750.79-12,448.71

Finding the Fourth Proportional to 31,167.16, 46,750.79 and 12,448.71

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Solution

The fourth proportional to 31,167.16, 46,750.79 and 12,448.71 is: 18,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.16 : 46,750.79 = 12,448.71 : x
  2. Step 2: Convert to fraction form
    31,167.16/46,750.79 = 12,448.71/x
  3. Step 3: Cross multiply
    31,167.16x = 46,750.79 × 12,448.71
  4. Step 4: Simplify right side
    31,167.16x = 581,987,058.10
  5. Step 5: Solve for x
    x = 581,987,058.10/31,167.16
  6. Step 6: Final answer
    x = 18,673.09

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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.