Home / 43,319.30-64,985.46-18,359.48

Finding the Fourth Proportional to 43,319.30, 64,985.46 and 18,359.48

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Solution

The fourth proportional to 43,319.30, 64,985.46 and 18,359.48 is: 27,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.30 : 64,985.46 = 18,359.48 : x
  2. Step 2: Convert to fraction form
    43,319.30/64,985.46 = 18,359.48/x
  3. Step 3: Cross multiply
    43,319.30x = 64,985.46 × 18,359.48
  4. Step 4: Simplify right side
    43,319.30x = 1,193,099,253.16
  5. Step 5: Solve for x
    x = 1,193,099,253.16/43,319.30
  6. Step 6: Final answer
    x = 27,541.98

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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.