Home / 39,937.06-59,905.59-12,231.46

Finding the Fourth Proportional to 39,937.06, 59,905.59 and 12,231.46

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Solution

The fourth proportional to 39,937.06, 59,905.59 and 12,231.46 is: 18,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.06 : 59,905.59 = 12,231.46 : x
  2. Step 2: Convert to fraction form
    39,937.06/59,905.59 = 12,231.46/x
  3. Step 3: Cross multiply
    39,937.06x = 59,905.59 × 12,231.46
  4. Step 4: Simplify right side
    39,937.06x = 732,732,827.86
  5. Step 5: Solve for x
    x = 732,732,827.86/39,937.06
  6. Step 6: Final answer
    x = 18,347.19

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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.