Home / 64,836.90-97,257.51-18,085.86

Finding the Fourth Proportional to 64,836.90, 97,257.51 and 18,085.86

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Solution

The fourth proportional to 64,836.90, 97,257.51 and 18,085.86 is: 27,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.90 : 97,257.51 = 18,085.86 : x
  2. Step 2: Convert to fraction form
    64,836.90/97,257.51 = 18,085.86/x
  3. Step 3: Cross multiply
    64,836.90x = 97,257.51 × 18,085.86
  4. Step 4: Simplify right side
    64,836.90x = 1,758,985,709.81
  5. Step 5: Solve for x
    x = 1,758,985,709.81/64,836.90
  6. Step 6: Final answer
    x = 27,129.39

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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.