Home / 39,543.21-59,314.81-9,963.35

Finding the Fourth Proportional to 39,543.21, 59,314.81 and 9,963.35

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Solution

The fourth proportional to 39,543.21, 59,314.81 and 9,963.35 is: 14,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.21 : 59,314.81 = 9,963.35 : x
  2. Step 2: Convert to fraction form
    39,543.21/59,314.81 = 9,963.35/x
  3. Step 3: Cross multiply
    39,543.21x = 59,314.81 × 9,963.35
  4. Step 4: Simplify right side
    39,543.21x = 590,973,890.73
  5. Step 5: Solve for x
    x = 590,973,890.73/39,543.21
  6. Step 6: Final answer
    x = 14,945.02

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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.