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Finding the Fourth Proportional to 35,560.71, 49,073.07 and 19,645.02

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Solution

The fourth proportional to 35,560.71, 49,073.07 and 19,645.02 is: 27,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,560.71 : 49,073.07 = 19,645.02 : x
  2. Step 2: Convert to fraction form
    35,560.71/49,073.07 = 19,645.02/x
  3. Step 3: Cross multiply
    35,560.71x = 49,073.07 × 19,645.02
  4. Step 4: Simplify right side
    35,560.71x = 964,041,441.61
  5. Step 5: Solve for x
    x = 964,041,441.61/35,560.71
  6. Step 6: Final answer
    x = 27,109.74

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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.