Home / 20,041.04-30,061.54-8,038.61

Finding the Fourth Proportional to 20,041.04, 30,061.54 and 8,038.61

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Solution

The fourth proportional to 20,041.04, 30,061.54 and 8,038.61 is: 12,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.04 : 30,061.54 = 8,038.61 : x
  2. Step 2: Convert to fraction form
    20,041.04/30,061.54 = 8,038.61/x
  3. Step 3: Cross multiply
    20,041.04x = 30,061.54 × 8,038.61
  4. Step 4: Simplify right side
    20,041.04x = 241,652,955.87
  5. Step 5: Solve for x
    x = 241,652,955.87/20,041.04
  6. Step 6: Final answer
    x = 12,057.90

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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.