Home / 48,475.96-72,684.20-18,859.32

Finding the Fourth Proportional to 48,475.96, 72,684.20 and 18,859.32

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Solution

The fourth proportional to 48,475.96, 72,684.20 and 18,859.32 is: 28,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,475.96 : 72,684.20 = 18,859.32 : x
  2. Step 2: Convert to fraction form
    48,475.96/72,684.20 = 18,859.32/x
  3. Step 3: Cross multiply
    48,475.96x = 72,684.20 × 18,859.32
  4. Step 4: Simplify right side
    48,475.96x = 1,370,774,586.74
  5. Step 5: Solve for x
    x = 1,370,774,586.74/48,475.96
  6. Step 6: Final answer
    x = 28,277.41

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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.