Home / 43,997.41-66,008.54-12,407.77

Finding the Fourth Proportional to 43,997.41, 66,008.54 and 12,407.77

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Solution

The fourth proportional to 43,997.41, 66,008.54 and 12,407.77 is: 18,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.41 : 66,008.54 = 12,407.77 : x
  2. Step 2: Convert to fraction form
    43,997.41/66,008.54 = 12,407.77/x
  3. Step 3: Cross multiply
    43,997.41x = 66,008.54 × 12,407.77
  4. Step 4: Simplify right side
    43,997.41x = 819,018,895.89
  5. Step 5: Solve for x
    x = 819,018,895.89/43,997.41
  6. Step 6: Final answer
    x = 18,615.16

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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.