Home / 34,194.79-47,189.61-21,448.51

Finding the Fourth Proportional to 34,194.79, 47,189.61 and 21,448.51

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Solution

The fourth proportional to 34,194.79, 47,189.61 and 21,448.51 is: 29,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,194.79 : 47,189.61 = 21,448.51 : x
  2. Step 2: Convert to fraction form
    34,194.79/47,189.61 = 21,448.51/x
  3. Step 3: Cross multiply
    34,194.79x = 47,189.61 × 21,448.51
  4. Step 4: Simplify right side
    34,194.79x = 1,012,146,840.88
  5. Step 5: Solve for x
    x = 1,012,146,840.88/34,194.79
  6. Step 6: Final answer
    x = 29,599.44

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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.