Home / 31,302.41-43,196.86-16,961.89

Finding the Fourth Proportional to 31,302.41, 43,196.86 and 16,961.89

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Solution

The fourth proportional to 31,302.41, 43,196.86 and 16,961.89 is: 23,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.41 : 43,196.86 = 16,961.89 : x
  2. Step 2: Convert to fraction form
    31,302.41/43,196.86 = 16,961.89/x
  3. Step 3: Cross multiply
    31,302.41x = 43,196.86 × 16,961.89
  4. Step 4: Simplify right side
    31,302.41x = 732,700,492.55
  5. Step 5: Solve for x
    x = 732,700,492.55/31,302.41
  6. Step 6: Final answer
    x = 23,407.16

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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.