Home / 29,037.69-43,569.90-21,148.02

Finding the Fourth Proportional to 29,037.69, 43,569.90 and 21,148.02

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Solution

The fourth proportional to 29,037.69, 43,569.90 and 21,148.02 is: 31,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.69 : 43,569.90 = 21,148.02 : x
  2. Step 2: Convert to fraction form
    29,037.69/43,569.90 = 21,148.02/x
  3. Step 3: Cross multiply
    29,037.69x = 43,569.90 × 21,148.02
  4. Step 4: Simplify right side
    29,037.69x = 921,417,116.60
  5. Step 5: Solve for x
    x = 921,417,116.60/29,037.69
  6. Step 6: Final answer
    x = 31,731.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.