Home / 34,621.70-47,773.94-21,200.81

Finding the Fourth Proportional to 34,621.70, 47,773.94 and 21,200.81

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Solution

The fourth proportional to 34,621.70, 47,773.94 and 21,200.81 is: 29,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,621.70 : 47,773.94 = 21,200.81 : x
  2. Step 2: Convert to fraction form
    34,621.70/47,773.94 = 21,200.81/x
  3. Step 3: Cross multiply
    34,621.70x = 47,773.94 × 21,200.81
  4. Step 4: Simplify right side
    34,621.70x = 1,012,845,880.02
  5. Step 5: Solve for x
    x = 1,012,845,880.02/34,621.70
  6. Step 6: Final answer
    x = 29,254.66

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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.