Home / 48,351.32-72,518.56-13,282.64

Finding the Fourth Proportional to 48,351.32, 72,518.56 and 13,282.64

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Solution

The fourth proportional to 48,351.32, 72,518.56 and 13,282.64 is: 19,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.32 : 72,518.56 = 13,282.64 : x
  2. Step 2: Convert to fraction form
    48,351.32/72,518.56 = 13,282.64/x
  3. Step 3: Cross multiply
    48,351.32x = 72,518.56 × 13,282.64
  4. Step 4: Simplify right side
    48,351.32x = 963,237,925.80
  5. Step 5: Solve for x
    x = 963,237,925.80/48,351.32
  6. Step 6: Final answer
    x = 19,921.65

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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.