Home / 65,311.05-97,964.69-38,838.63

Finding the Fourth Proportional to 65,311.05, 97,964.69 and 38,838.63

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Solution

The fourth proportional to 65,311.05, 97,964.69 and 38,838.63 is: 58,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311.05 : 97,964.69 = 38,838.63 : x
  2. Step 2: Convert to fraction form
    65,311.05/97,964.69 = 38,838.63/x
  3. Step 3: Cross multiply
    65,311.05x = 97,964.69 × 38,838.63
  4. Step 4: Simplify right side
    65,311.05x = 3,804,814,153.78
  5. Step 5: Solve for x
    x = 3,804,814,153.78/65,311.05
  6. Step 6: Final answer
    x = 58,256.82

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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.