Home / 31,586.08-43,586.64-17,433.76

Finding the Fourth Proportional to 31,586.08, 43,586.64 and 17,433.76

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Solution

The fourth proportional to 31,586.08, 43,586.64 and 17,433.76 is: 24,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.08 : 43,586.64 = 17,433.76 : x
  2. Step 2: Convert to fraction form
    31,586.08/43,586.64 = 17,433.76/x
  3. Step 3: Cross multiply
    31,586.08x = 43,586.64 × 17,433.76
  4. Step 4: Simplify right side
    31,586.08x = 759,879,020.97
  5. Step 5: Solve for x
    x = 759,879,020.97/31,586.08
  6. Step 6: Final answer
    x = 24,057.40

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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.