Home / 42,823.92-64,219.20-14,738.64

Finding the Fourth Proportional to 42,823.92, 64,219.20 and 14,738.64

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Solution

The fourth proportional to 42,823.92, 64,219.20 and 14,738.64 is: 22,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.92 : 64,219.20 = 14,738.64 : x
  2. Step 2: Convert to fraction form
    42,823.92/64,219.20 = 14,738.64/x
  3. Step 3: Cross multiply
    42,823.92x = 64,219.20 × 14,738.64
  4. Step 4: Simplify right side
    42,823.92x = 946,503,669.89
  5. Step 5: Solve for x
    x = 946,503,669.89/42,823.92
  6. Step 6: Final answer
    x = 22,102.22

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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.