Home / 39,910.50-59,875.92-11,831.58

Finding the Fourth Proportional to 39,910.50, 59,875.92 and 11,831.58

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Solution

The fourth proportional to 39,910.50, 59,875.92 and 11,831.58 is: 17,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.50 : 59,875.92 = 11,831.58 : x
  2. Step 2: Convert to fraction form
    39,910.50/59,875.92 = 11,831.58/x
  3. Step 3: Cross multiply
    39,910.50x = 59,875.92 × 11,831.58
  4. Step 4: Simplify right side
    39,910.50x = 708,426,737.55
  5. Step 5: Solve for x
    x = 708,426,737.55/39,910.50
  6. Step 6: Final answer
    x = 17,750.38

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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.