Home / 31,624.89-43,639.72-17,477.70

Finding the Fourth Proportional to 31,624.89, 43,639.72 and 17,477.70

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Solution

The fourth proportional to 31,624.89, 43,639.72 and 17,477.70 is: 24,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.89 : 43,639.72 = 17,477.70 : x
  2. Step 2: Convert to fraction form
    31,624.89/43,639.72 = 17,477.70/x
  3. Step 3: Cross multiply
    31,624.89x = 43,639.72 × 17,477.70
  4. Step 4: Simplify right side
    31,624.89x = 762,721,934.24
  5. Step 5: Solve for x
    x = 762,721,934.24/31,624.89
  6. Step 6: Final answer
    x = 24,117.77

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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.