Home / 31,516.08-43,492.05-17,176.74

Finding the Fourth Proportional to 31,516.08, 43,492.05 and 17,176.74

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Solution

The fourth proportional to 31,516.08, 43,492.05 and 17,176.74 is: 23,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.08 : 43,492.05 = 17,176.74 : x
  2. Step 2: Convert to fraction form
    31,516.08/43,492.05 = 17,176.74/x
  3. Step 3: Cross multiply
    31,516.08x = 43,492.05 × 17,176.74
  4. Step 4: Simplify right side
    31,516.08x = 747,051,634.92
  5. Step 5: Solve for x
    x = 747,051,634.92/31,516.08
  6. Step 6: Final answer
    x = 23,703.82

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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.