Home / 48,172.32-72,257.11-13,112.28

Finding the Fourth Proportional to 48,172.32, 72,257.11 and 13,112.28

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Solution

The fourth proportional to 48,172.32, 72,257.11 and 13,112.28 is: 19,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.32 : 72,257.11 = 13,112.28 : x
  2. Step 2: Convert to fraction form
    48,172.32/72,257.11 = 13,112.28/x
  3. Step 3: Cross multiply
    48,172.32x = 72,257.11 × 13,112.28
  4. Step 4: Simplify right side
    48,172.32x = 947,455,458.31
  5. Step 5: Solve for x
    x = 947,455,458.31/48,172.32
  6. Step 6: Final answer
    x = 19,668.05

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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.