Home / 43,026.02-64,542.28-11,861

Finding the Fourth Proportional to 43,026.02, 64,542.28 and 11,861

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Solution

The fourth proportional to 43,026.02, 64,542.28 and 11,861 is: 17,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,026.02 : 64,542.28 = 11,861 : x
  2. Step 2: Convert to fraction form
    43,026.02/64,542.28 = 11,861/x
  3. Step 3: Cross multiply
    43,026.02x = 64,542.28 × 11,861
  4. Step 4: Simplify right side
    43,026.02x = 765,535,983.08
  5. Step 5: Solve for x
    x = 765,535,983.08/43,026.02
  6. Step 6: Final answer
    x = 17,792.40

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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.