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Finding the Fourth Proportional to 67,018.86, 92,486.14 and 36,806.13

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Solution

The fourth proportional to 67,018.86, 92,486.14 and 36,806.13 is: 50,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,018.86 : 92,486.14 = 36,806.13 : x
  2. Step 2: Convert to fraction form
    67,018.86/92,486.14 = 36,806.13/x
  3. Step 3: Cross multiply
    67,018.86x = 92,486.14 × 36,806.13
  4. Step 4: Simplify right side
    67,018.86x = 3,404,056,800.02
  5. Step 5: Solve for x
    x = 3,404,056,800.02/67,018.86
  6. Step 6: Final answer
    x = 50,792.52

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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.