Home / 39,828.74-59,752.83-12,126.74

Finding the Fourth Proportional to 39,828.74, 59,752.83 and 12,126.74

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Solution

The fourth proportional to 39,828.74, 59,752.83 and 12,126.74 is: 18,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.74 : 59,752.83 = 12,126.74 : x
  2. Step 2: Convert to fraction form
    39,828.74/59,752.83 = 12,126.74/x
  3. Step 3: Cross multiply
    39,828.74x = 59,752.83 × 12,126.74
  4. Step 4: Simplify right side
    39,828.74x = 724,607,033.67
  5. Step 5: Solve for x
    x = 724,607,033.67/39,828.74
  6. Step 6: Final answer
    x = 18,193.07

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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.