Home / 34,631.37-47,787.84-21,206.43

Finding the Fourth Proportional to 34,631.37, 47,787.84 and 21,206.43

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Solution

The fourth proportional to 34,631.37, 47,787.84 and 21,206.43 is: 29,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,631.37 : 47,787.84 = 21,206.43 : x
  2. Step 2: Convert to fraction form
    34,631.37/47,787.84 = 21,206.43/x
  3. Step 3: Cross multiply
    34,631.37x = 47,787.84 × 21,206.43
  4. Step 4: Simplify right side
    34,631.37x = 1,013,409,483.81
  5. Step 5: Solve for x
    x = 1,013,409,483.81/34,631.37
  6. Step 6: Final answer
    x = 29,262.76

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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.