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Finding the Fourth Proportional to 60,014.21, 90,021.27 and 18,461.21

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Solution

The fourth proportional to 60,014.21, 90,021.27 and 18,461.21 is: 27,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,014.21 : 90,021.27 = 18,461.21 : x
  2. Step 2: Convert to fraction form
    60,014.21/90,021.27 = 18,461.21/x
  3. Step 3: Cross multiply
    60,014.21x = 90,021.27 × 18,461.21
  4. Step 4: Simplify right side
    60,014.21x = 1,661,901,569.94
  5. Step 5: Solve for x
    x = 1,661,901,569.94/60,014.21
  6. Step 6: Final answer
    x = 27,691.80

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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.