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Finding the Fourth Proportional to 52,663.29, 72,671.90 and 29,998.95

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Solution

The fourth proportional to 52,663.29, 72,671.90 and 29,998.95 is: 41,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,663.29 : 72,671.90 = 29,998.95 : x
  2. Step 2: Convert to fraction form
    52,663.29/72,671.90 = 29,998.95/x
  3. Step 3: Cross multiply
    52,663.29x = 72,671.90 × 29,998.95
  4. Step 4: Simplify right side
    52,663.29x = 2,180,080,544.51
  5. Step 5: Solve for x
    x = 2,180,080,544.51/52,663.29
  6. Step 6: Final answer
    x = 41,396.59

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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.