Home / 39,133.25-58,699.86-19,425.63

Finding the Fourth Proportional to 39,133.25, 58,699.86 and 19,425.63

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Solution

The fourth proportional to 39,133.25, 58,699.86 and 19,425.63 is: 29,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.25 : 58,699.86 = 19,425.63 : x
  2. Step 2: Convert to fraction form
    39,133.25/58,699.86 = 19,425.63/x
  3. Step 3: Cross multiply
    39,133.25x = 58,699.86 × 19,425.63
  4. Step 4: Simplify right side
    39,133.25x = 1,140,281,761.41
  5. Step 5: Solve for x
    x = 1,140,281,761.41/39,133.25
  6. Step 6: Final answer
    x = 29,138.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.