Home / 31,488.35-43,455.74-18,059.49

Finding the Fourth Proportional to 31,488.35, 43,455.74 and 18,059.49

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Solution

The fourth proportional to 31,488.35, 43,455.74 and 18,059.49 is: 24,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.35 : 43,455.74 = 18,059.49 : x
  2. Step 2: Convert to fraction form
    31,488.35/43,455.74 = 18,059.49/x
  3. Step 3: Cross multiply
    31,488.35x = 43,455.74 × 18,059.49
  4. Step 4: Simplify right side
    31,488.35x = 784,788,411.68
  5. Step 5: Solve for x
    x = 784,788,411.68/31,488.35
  6. Step 6: Final answer
    x = 24,923.14

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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.