Home / 34,184.77-47,161.83-21,415.73

Finding the Fourth Proportional to 34,184.77, 47,161.83 and 21,415.73

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Solution

The fourth proportional to 34,184.77, 47,161.83 and 21,415.73 is: 29,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,184.77 : 47,161.83 = 21,415.73 : x
  2. Step 2: Convert to fraction form
    34,184.77/47,161.83 = 21,415.73/x
  3. Step 3: Cross multiply
    34,184.77x = 47,161.83 × 21,415.73
  4. Step 4: Simplify right side
    34,184.77x = 1,010,005,017.59
  5. Step 5: Solve for x
    x = 1,010,005,017.59/34,184.77
  6. Step 6: Final answer
    x = 29,545.47

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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.