Home / 34,782.66-47,999.71-18,866.77

Finding the Fourth Proportional to 34,782.66, 47,999.71 and 18,866.77

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Solution

The fourth proportional to 34,782.66, 47,999.71 and 18,866.77 is: 26,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,782.66 : 47,999.71 = 18,866.77 : x
  2. Step 2: Convert to fraction form
    34,782.66/47,999.71 = 18,866.77/x
  3. Step 3: Cross multiply
    34,782.66x = 47,999.71 × 18,866.77
  4. Step 4: Simplify right side
    34,782.66x = 905,599,488.64
  5. Step 5: Solve for x
    x = 905,599,488.64/34,782.66
  6. Step 6: Final answer
    x = 26,035.95

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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.