Home / 34,693.50-47,876.94-18,777.95

Finding the Fourth Proportional to 34,693.50, 47,876.94 and 18,777.95

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Solution

The fourth proportional to 34,693.50, 47,876.94 and 18,777.95 is: 25,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.50 : 47,876.94 = 18,777.95 : x
  2. Step 2: Convert to fraction form
    34,693.50/47,876.94 = 18,777.95/x
  3. Step 3: Cross multiply
    34,693.50x = 47,876.94 × 18,777.95
  4. Step 4: Simplify right side
    34,693.50x = 899,030,785.47
  5. Step 5: Solve for x
    x = 899,030,785.47/34,693.50
  6. Step 6: Final answer
    x = 25,913.52

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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.