Home / 64,939.60-97,411.83-18,191.26

Finding the Fourth Proportional to 64,939.60, 97,411.83 and 18,191.26

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Solution

The fourth proportional to 64,939.60, 97,411.83 and 18,191.26 is: 27,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.60 : 97,411.83 = 18,191.26 : x
  2. Step 2: Convert to fraction form
    64,939.60/97,411.83 = 18,191.26/x
  3. Step 3: Cross multiply
    64,939.60x = 97,411.83 × 18,191.26
  4. Step 4: Simplify right side
    64,939.60x = 1,772,043,926.61
  5. Step 5: Solve for x
    x = 1,772,043,926.61/64,939.60
  6. Step 6: Final answer
    x = 27,287.57

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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.