Home / 39,750.80-59,624.60-18,683.28

Finding the Fourth Proportional to 39,750.80, 59,624.60 and 18,683.28

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Solution

The fourth proportional to 39,750.80, 59,624.60 and 18,683.28 is: 28,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.80 : 59,624.60 = 18,683.28 : x
  2. Step 2: Convert to fraction form
    39,750.80/59,624.60 = 18,683.28/x
  3. Step 3: Cross multiply
    39,750.80x = 59,624.60 × 18,683.28
  4. Step 4: Simplify right side
    39,750.80x = 1,113,983,096.69
  5. Step 5: Solve for x
    x = 1,113,983,096.69/39,750.80
  6. Step 6: Final answer
    x = 28,024.17

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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.