Home / 48,362.25-72,529.32-20,281.53

Finding the Fourth Proportional to 48,362.25, 72,529.32 and 20,281.53

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Solution

The fourth proportional to 48,362.25, 72,529.32 and 20,281.53 is: 30,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.25 : 72,529.32 = 20,281.53 : x
  2. Step 2: Convert to fraction form
    48,362.25/72,529.32 = 20,281.53/x
  3. Step 3: Cross multiply
    48,362.25x = 72,529.32 × 20,281.53
  4. Step 4: Simplify right side
    48,362.25x = 1,471,005,579.46
  5. Step 5: Solve for x
    x = 1,471,005,579.46/48,362.25
  6. Step 6: Final answer
    x = 30,416.40

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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.