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Finding the Fourth Proportional to 64,971.88, 97,440.57 and 25,529.32

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Solution

The fourth proportional to 64,971.88, 97,440.57 and 25,529.32 is: 38,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.88 : 97,440.57 = 25,529.32 : x
  2. Step 2: Convert to fraction form
    64,971.88/97,440.57 = 25,529.32/x
  3. Step 3: Cross multiply
    64,971.88x = 97,440.57 × 25,529.32
  4. Step 4: Simplify right side
    64,971.88x = 2,487,591,492.51
  5. Step 5: Solve for x
    x = 2,487,591,492.51/64,971.88
  6. Step 6: Final answer
    x = 38,287.20

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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.