Home / 31,253.58-43,128.86-17,829.18

Finding the Fourth Proportional to 31,253.58, 43,128.86 and 17,829.18

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Solution

The fourth proportional to 31,253.58, 43,128.86 and 17,829.18 is: 24,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.58 : 43,128.86 = 17,829.18 : x
  2. Step 2: Convert to fraction form
    31,253.58/43,128.86 = 17,829.18/x
  3. Step 3: Cross multiply
    31,253.58x = 43,128.86 × 17,829.18
  4. Step 4: Simplify right side
    31,253.58x = 768,952,252.71
  5. Step 5: Solve for x
    x = 768,952,252.71/31,253.58
  6. Step 6: Final answer
    x = 24,603.65

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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.