Home / 31,119.93-46,679.81-13,339.06

Finding the Fourth Proportional to 31,119.93, 46,679.81 and 13,339.06

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Solution

The fourth proportional to 31,119.93, 46,679.81 and 13,339.06 is: 20,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.93 : 46,679.81 = 13,339.06 : x
  2. Step 2: Convert to fraction form
    31,119.93/46,679.81 = 13,339.06/x
  3. Step 3: Cross multiply
    31,119.93x = 46,679.81 × 13,339.06
  4. Step 4: Simplify right side
    31,119.93x = 622,664,703.03
  5. Step 5: Solve for x
    x = 622,664,703.03/31,119.93
  6. Step 6: Final answer
    x = 20,008.55

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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.