Home / 43,212.40-64,818.60-18,248.50

Finding the Fourth Proportional to 43,212.40, 64,818.60 and 18,248.50

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Solution

The fourth proportional to 43,212.40, 64,818.60 and 18,248.50 is: 27,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,212.40 : 64,818.60 = 18,248.50 : x
  2. Step 2: Convert to fraction form
    43,212.40/64,818.60 = 18,248.50/x
  3. Step 3: Cross multiply
    43,212.40x = 64,818.60 × 18,248.50
  4. Step 4: Simplify right side
    43,212.40x = 1,182,842,222.10
  5. Step 5: Solve for x
    x = 1,182,842,222.10/43,212.40
  6. Step 6: Final answer
    x = 27,372.75

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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.