Home / 43,691.63-65,516.74-15,218.66

Finding the Fourth Proportional to 43,691.63, 65,516.74 and 15,218.66

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Solution

The fourth proportional to 43,691.63, 65,516.74 and 15,218.66 is: 22,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.63 : 65,516.74 = 15,218.66 : x
  2. Step 2: Convert to fraction form
    43,691.63/65,516.74 = 15,218.66/x
  3. Step 3: Cross multiply
    43,691.63x = 65,516.74 × 15,218.66
  4. Step 4: Simplify right side
    43,691.63x = 997,076,662.78
  5. Step 5: Solve for x
    x = 997,076,662.78/43,691.63
  6. Step 6: Final answer
    x = 22,820.77

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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.