Home / 39,660.18-59,487.32-14,688.60

Finding the Fourth Proportional to 39,660.18, 59,487.32 and 14,688.60

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Solution

The fourth proportional to 39,660.18, 59,487.32 and 14,688.60 is: 22,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.18 : 59,487.32 = 14,688.60 : x
  2. Step 2: Convert to fraction form
    39,660.18/59,487.32 = 14,688.60/x
  3. Step 3: Cross multiply
    39,660.18x = 59,487.32 × 14,688.60
  4. Step 4: Simplify right side
    39,660.18x = 873,785,448.55
  5. Step 5: Solve for x
    x = 873,785,448.55/39,660.18
  6. Step 6: Final answer
    x = 22,031.81

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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.