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Finding the Fourth Proportional to 35,486.91, 48,970.17 and 19,570.41

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Solution

The fourth proportional to 35,486.91, 48,970.17 and 19,570.41 is: 27,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.91 : 48,970.17 = 19,570.41 : x
  2. Step 2: Convert to fraction form
    35,486.91/48,970.17 = 19,570.41/x
  3. Step 3: Cross multiply
    35,486.91x = 48,970.17 × 19,570.41
  4. Step 4: Simplify right side
    35,486.91x = 958,366,304.67
  5. Step 5: Solve for x
    x = 958,366,304.67/35,486.91
  6. Step 6: Final answer
    x = 27,006.19

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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.