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Finding the Fourth Proportional to 40,552.71, 60,813.54 and 19,486.77

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Solution

The fourth proportional to 40,552.71, 60,813.54 and 19,486.77 is: 29,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,552.71 : 60,813.54 = 19,486.77 : x
  2. Step 2: Convert to fraction form
    40,552.71/60,813.54 = 19,486.77/x
  3. Step 3: Cross multiply
    40,552.71x = 60,813.54 × 19,486.77
  4. Step 4: Simplify right side
    40,552.71x = 1,185,059,466.87
  5. Step 5: Solve for x
    x = 1,185,059,466.87/40,552.71
  6. Step 6: Final answer
    x = 29,222.69

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1.5x scale

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.