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Finding the Fourth Proportional to 64,460.64, 96,653.28 and 36,368.64

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Solution

The fourth proportional to 64,460.64, 96,653.28 and 36,368.64 is: 54,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,460.64 : 96,653.28 = 36,368.64 : x
  2. Step 2: Convert to fraction form
    64,460.64/96,653.28 = 36,368.64/x
  3. Step 3: Cross multiply
    64,460.64x = 96,653.28 × 36,368.64
  4. Step 4: Simplify right side
    64,460.64x = 3,515,148,345.14
  5. Step 5: Solve for x
    x = 3,515,148,345.14/64,460.64
  6. Step 6: Final answer
    x = 54,531.70

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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.