Home / 64,756.85-97,140.60-18,009.72

Finding the Fourth Proportional to 64,756.85, 97,140.60 and 18,009.72

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Solution

The fourth proportional to 64,756.85, 97,140.60 and 18,009.72 is: 27,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.85 : 97,140.60 = 18,009.72 : x
  2. Step 2: Convert to fraction form
    64,756.85/97,140.60 = 18,009.72/x
  3. Step 3: Cross multiply
    64,756.85x = 97,140.60 × 18,009.72
  4. Step 4: Simplify right side
    64,756.85x = 1,749,475,006.63
  5. Step 5: Solve for x
    x = 1,749,475,006.63/64,756.85
  6. Step 6: Final answer
    x = 27,016.06

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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.