Home / 34,043.40-46,987.20-18,941.16

Finding the Fourth Proportional to 34,043.40, 46,987.20 and 18,941.16

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Solution

The fourth proportional to 34,043.40, 46,987.20 and 18,941.16 is: 26,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,043.40 : 46,987.20 = 18,941.16 : x
  2. Step 2: Convert to fraction form
    34,043.40/46,987.20 = 18,941.16/x
  3. Step 3: Cross multiply
    34,043.40x = 46,987.20 × 18,941.16
  4. Step 4: Simplify right side
    34,043.40x = 889,992,073.15
  5. Step 5: Solve for x
    x = 889,992,073.15/34,043.40
  6. Step 6: Final answer
    x = 26,142.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.