Home / 42,825.92-64,222.20-14,740.64

Finding the Fourth Proportional to 42,825.92, 64,222.20 and 14,740.64

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Solution

The fourth proportional to 42,825.92, 64,222.20 and 14,740.64 is: 22,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,825.92 : 64,222.20 = 14,740.64 : x
  2. Step 2: Convert to fraction form
    42,825.92/64,222.20 = 14,740.64/x
  3. Step 3: Cross multiply
    42,825.92x = 64,222.20 × 14,740.64
  4. Step 4: Simplify right side
    42,825.92x = 946,676,330.21
  5. Step 5: Solve for x
    x = 946,676,330.21/42,825.92
  6. Step 6: Final answer
    x = 22,105.22

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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.