Home / 64,416.32-88,897.56-40,231.64

Finding the Fourth Proportional to 64,416.32, 88,897.56 and 40,231.64

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Solution

The fourth proportional to 64,416.32, 88,897.56 and 40,231.64 is: 55,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.32 : 88,897.56 = 40,231.64 : x
  2. Step 2: Convert to fraction form
    64,416.32/88,897.56 = 40,231.64/x
  3. Step 3: Cross multiply
    64,416.32x = 88,897.56 × 40,231.64
  4. Step 4: Simplify right side
    64,416.32x = 3,576,494,630.80
  5. Step 5: Solve for x
    x = 3,576,494,630.80/64,416.32
  6. Step 6: Final answer
    x = 55,521.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.