Home / 39,300.44-58,950.86-11,220.98

Finding the Fourth Proportional to 39,300.44, 58,950.86 and 11,220.98

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Solution

The fourth proportional to 39,300.44, 58,950.86 and 11,220.98 is: 16,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,300.44 : 58,950.86 = 11,220.98 : x
  2. Step 2: Convert to fraction form
    39,300.44/58,950.86 = 11,220.98/x
  3. Step 3: Cross multiply
    39,300.44x = 58,950.86 × 11,220.98
  4. Step 4: Simplify right side
    39,300.44x = 661,486,070.18
  5. Step 5: Solve for x
    x = 661,486,070.18/39,300.44
  6. Step 6: Final answer
    x = 16,831.52

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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.