Home / 34,724.93-47,920.16-19,622.48

Finding the Fourth Proportional to 34,724.93, 47,920.16 and 19,622.48

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Solution

The fourth proportional to 34,724.93, 47,920.16 and 19,622.48 is: 27,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.93 : 47,920.16 = 19,622.48 : x
  2. Step 2: Convert to fraction form
    34,724.93/47,920.16 = 19,622.48/x
  3. Step 3: Cross multiply
    34,724.93x = 47,920.16 × 19,622.48
  4. Step 4: Simplify right side
    34,724.93x = 940,312,043.48
  5. Step 5: Solve for x
    x = 940,312,043.48/34,724.93
  6. Step 6: Final answer
    x = 27,078.88

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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.