Home / 34,471.30-47,574.87-21,039.76

Finding the Fourth Proportional to 34,471.30, 47,574.87 and 21,039.76

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Solution

The fourth proportional to 34,471.30, 47,574.87 and 21,039.76 is: 29,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,471.30 : 47,574.87 = 21,039.76 : x
  2. Step 2: Convert to fraction form
    34,471.30/47,574.87 = 21,039.76/x
  3. Step 3: Cross multiply
    34,471.30x = 47,574.87 × 21,039.76
  4. Step 4: Simplify right side
    34,471.30x = 1,000,963,846.83
  5. Step 5: Solve for x
    x = 1,000,963,846.83/34,471.30
  6. Step 6: Final answer
    x = 29,037.60

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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.