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Finding the Fourth Proportional to 64,335, 96,494.16 and 19,960.74

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Solution

The fourth proportional to 64,335, 96,494.16 and 19,960.74 is: 29,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,335 : 96,494.16 = 19,960.74 : x
  2. Step 2: Convert to fraction form
    64,335/96,494.16 = 19,960.74/x
  3. Step 3: Cross multiply
    64,335x = 96,494.16 × 19,960.74
  4. Step 4: Simplify right side
    64,335x = 1,926,094,839.28
  5. Step 5: Solve for x
    x = 1,926,094,839.28/64,335
  6. Step 6: Final answer
    x = 29,938.52

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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.