Home / 43,267.76-64,905.60-12,102.92

Finding the Fourth Proportional to 43,267.76, 64,905.60 and 12,102.92

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Solution

The fourth proportional to 43,267.76, 64,905.60 and 12,102.92 is: 18,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.76 : 64,905.60 = 12,102.92 : x
  2. Step 2: Convert to fraction form
    43,267.76/64,905.60 = 12,102.92/x
  3. Step 3: Cross multiply
    43,267.76x = 64,905.60 × 12,102.92
  4. Step 4: Simplify right side
    43,267.76x = 785,547,284.35
  5. Step 5: Solve for x
    x = 785,547,284.35/43,267.76
  6. Step 6: Final answer
    x = 18,155.49

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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.