Home / 48,145.16-72,203.16-13,080.26

Finding the Fourth Proportional to 48,145.16, 72,203.16 and 13,080.26

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Solution

The fourth proportional to 48,145.16, 72,203.16 and 13,080.26 is: 19,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.16 : 72,203.16 = 13,080.26 : x
  2. Step 2: Convert to fraction form
    48,145.16/72,203.16 = 13,080.26/x
  3. Step 3: Cross multiply
    48,145.16x = 72,203.16 × 13,080.26
  4. Step 4: Simplify right side
    48,145.16x = 944,436,105.62
  5. Step 5: Solve for x
    x = 944,436,105.62/48,145.16
  6. Step 6: Final answer
    x = 19,616.43

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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.