Home / 52,003.20-78,004.38-27,030.36

Finding the Fourth Proportional to 52,003.20, 78,004.38 and 27,030.36

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Solution

The fourth proportional to 52,003.20, 78,004.38 and 27,030.36 is: 40,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.20 : 78,004.38 = 27,030.36 : x
  2. Step 2: Convert to fraction form
    52,003.20/78,004.38 = 27,030.36/x
  3. Step 3: Cross multiply
    52,003.20x = 78,004.38 × 27,030.36
  4. Step 4: Simplify right side
    52,003.20x = 2,108,486,472.98
  5. Step 5: Solve for x
    x = 2,108,486,472.98/52,003.20
  6. Step 6: Final answer
    x = 40,545.32

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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.