Home / 64,918.10-97,379.58-18,169.76

Finding the Fourth Proportional to 64,918.10, 97,379.58 and 18,169.76

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Solution

The fourth proportional to 64,918.10, 97,379.58 and 18,169.76 is: 27,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,918.10 : 97,379.58 = 18,169.76 : x
  2. Step 2: Convert to fraction form
    64,918.10/97,379.58 = 18,169.76/x
  3. Step 3: Cross multiply
    64,918.10x = 97,379.58 × 18,169.76
  4. Step 4: Simplify right side
    64,918.10x = 1,769,363,597.50
  5. Step 5: Solve for x
    x = 1,769,363,597.50/64,918.10
  6. Step 6: Final answer
    x = 27,255.32

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1.5x scale

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.