Home / 64,538.34-89,052.46-40,336.45

Finding the Fourth Proportional to 64,538.34, 89,052.46 and 40,336.45

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Solution

The fourth proportional to 64,538.34, 89,052.46 and 40,336.45 is: 55,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.34 : 89,052.46 = 40,336.45 : x
  2. Step 2: Convert to fraction form
    64,538.34/89,052.46 = 40,336.45/x
  3. Step 3: Cross multiply
    64,538.34x = 89,052.46 × 40,336.45
  4. Step 4: Simplify right side
    64,538.34x = 3,592,060,003.59
  5. Step 5: Solve for x
    x = 3,592,060,003.59/64,538.34
  6. Step 6: Final answer
    x = 55,657.77

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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.