Home / 31,317.54-46,988.61-13,775.06

Finding the Fourth Proportional to 31,317.54, 46,988.61 and 13,775.06

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Solution

The fourth proportional to 31,317.54, 46,988.61 and 13,775.06 is: 20,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.54 : 46,988.61 = 13,775.06 : x
  2. Step 2: Convert to fraction form
    31,317.54/46,988.61 = 13,775.06/x
  3. Step 3: Cross multiply
    31,317.54x = 46,988.61 × 13,775.06
  4. Step 4: Simplify right side
    31,317.54x = 647,270,987.88
  5. Step 5: Solve for x
    x = 647,270,987.88/31,317.54
  6. Step 6: Final answer
    x = 20,668.00

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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.