Home / 48,003.16-72,006.36-12,943.12

Finding the Fourth Proportional to 48,003.16, 72,006.36 and 12,943.12

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Solution

The fourth proportional to 48,003.16, 72,006.36 and 12,943.12 is: 19,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,003.16 : 72,006.36 = 12,943.12 : x
  2. Step 2: Convert to fraction form
    48,003.16/72,006.36 = 12,943.12/x
  3. Step 3: Cross multiply
    48,003.16x = 72,006.36 × 12,943.12
  4. Step 4: Simplify right side
    48,003.16x = 931,986,958.24
  5. Step 5: Solve for x
    x = 931,986,958.24/48,003.16
  6. Step 6: Final answer
    x = 19,415.12

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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.