Home / 47,688.37-71,529.25-14,408.61

Finding the Fourth Proportional to 47,688.37, 71,529.25 and 14,408.61

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Solution

The fourth proportional to 47,688.37, 71,529.25 and 14,408.61 is: 21,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.37 : 71,529.25 = 14,408.61 : x
  2. Step 2: Convert to fraction form
    47,688.37/71,529.25 = 14,408.61/x
  3. Step 3: Cross multiply
    47,688.37x = 71,529.25 × 14,408.61
  4. Step 4: Simplify right side
    47,688.37x = 1,030,637,066.84
  5. Step 5: Solve for x
    x = 1,030,637,066.84/47,688.37
  6. Step 6: Final answer
    x = 21,611.92

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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.