Home / 34,618.15-47,772.47-19,512.30

Finding the Fourth Proportional to 34,618.15, 47,772.47 and 19,512.30

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Solution

The fourth proportional to 34,618.15, 47,772.47 and 19,512.30 is: 26,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.15 : 47,772.47 = 19,512.30 : x
  2. Step 2: Convert to fraction form
    34,618.15/47,772.47 = 19,512.30/x
  3. Step 3: Cross multiply
    34,618.15x = 47,772.47 × 19,512.30
  4. Step 4: Simplify right side
    34,618.15x = 932,150,815.16
  5. Step 5: Solve for x
    x = 932,150,815.16/34,618.15
  6. Step 6: Final answer
    x = 26,926.65

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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.