Home / 64,897.28-97,362.12-18,149.76

Finding the Fourth Proportional to 64,897.28, 97,362.12 and 18,149.76

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Solution

The fourth proportional to 64,897.28, 97,362.12 and 18,149.76 is: 27,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.28 : 97,362.12 = 18,149.76 : x
  2. Step 2: Convert to fraction form
    64,897.28/97,362.12 = 18,149.76/x
  3. Step 3: Cross multiply
    64,897.28x = 97,362.12 × 18,149.76
  4. Step 4: Simplify right side
    64,897.28x = 1,767,099,111.09
  5. Step 5: Solve for x
    x = 1,767,099,111.09/64,897.28
  6. Step 6: Final answer
    x = 27,229.17

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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.