Home / 64,629.90-96,947.01-17,878.86

Finding the Fourth Proportional to 64,629.90, 96,947.01 and 17,878.86

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Solution

The fourth proportional to 64,629.90, 96,947.01 and 17,878.86 is: 26,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629.90 : 96,947.01 = 17,878.86 : x
  2. Step 2: Convert to fraction form
    64,629.90/96,947.01 = 17,878.86/x
  3. Step 3: Cross multiply
    64,629.90x = 96,947.01 × 17,878.86
  4. Step 4: Simplify right side
    64,629.90x = 1,733,302,019.21
  5. Step 5: Solve for x
    x = 1,733,302,019.21/64,629.90
  6. Step 6: Final answer
    x = 26,818.89

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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.