Home / 34,068.88-47,014.68-18,961.28

Finding the Fourth Proportional to 34,068.88, 47,014.68 and 18,961.28

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Solution

The fourth proportional to 34,068.88, 47,014.68 and 18,961.28 is: 26,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.88 : 47,014.68 = 18,961.28 : x
  2. Step 2: Convert to fraction form
    34,068.88/47,014.68 = 18,961.28/x
  3. Step 3: Cross multiply
    34,068.88x = 47,014.68 × 18,961.28
  4. Step 4: Simplify right side
    34,068.88x = 891,458,629.13
  5. Step 5: Solve for x
    x = 891,458,629.13/34,068.88
  6. Step 6: Final answer
    x = 26,166.36

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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.