Home / 34,312.73-51,485.51-19,331.78

Finding the Fourth Proportional to 34,312.73, 51,485.51 and 19,331.78

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Solution

The fourth proportional to 34,312.73, 51,485.51 and 19,331.78 is: 29,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.73 : 51,485.51 = 19,331.78 : x
  2. Step 2: Convert to fraction form
    34,312.73/51,485.51 = 19,331.78/x
  3. Step 3: Cross multiply
    34,312.73x = 51,485.51 × 19,331.78
  4. Step 4: Simplify right side
    34,312.73x = 995,306,455.85
  5. Step 5: Solve for x
    x = 995,306,455.85/34,312.73
  6. Step 6: Final answer
    x = 29,006.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.