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Finding the Fourth Proportional to 64,403.64, 96,600.78 and 17,652.84

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Solution

The fourth proportional to 64,403.64, 96,600.78 and 17,652.84 is: 26,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,403.64 : 96,600.78 = 17,652.84 : x
  2. Step 2: Convert to fraction form
    64,403.64/96,600.78 = 17,652.84/x
  3. Step 3: Cross multiply
    64,403.64x = 96,600.78 × 17,652.84
  4. Step 4: Simplify right side
    64,403.64x = 1,705,278,113.22
  5. Step 5: Solve for x
    x = 1,705,278,113.22/64,403.64
  6. Step 6: Final answer
    x = 26,477.98

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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.