Home / 31,186.22-43,037.57-17,038.76

Finding the Fourth Proportional to 31,186.22, 43,037.57 and 17,038.76

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Solution

The fourth proportional to 31,186.22, 43,037.57 and 17,038.76 is: 23,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.22 : 43,037.57 = 17,038.76 : x
  2. Step 2: Convert to fraction form
    31,186.22/43,037.57 = 17,038.76/x
  3. Step 3: Cross multiply
    31,186.22x = 43,037.57 × 17,038.76
  4. Step 4: Simplify right side
    31,186.22x = 733,306,741.02
  5. Step 5: Solve for x
    x = 733,306,741.02/31,186.22
  6. Step 6: Final answer
    x = 23,513.81

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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.