Home / 53,579.32-80,359.74-14,136.76

Finding the Fourth Proportional to 53,579.32, 80,359.74 and 14,136.76

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Solution

The fourth proportional to 53,579.32, 80,359.74 and 14,136.76 is: 21,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.32 : 80,359.74 = 14,136.76 : x
  2. Step 2: Convert to fraction form
    53,579.32/80,359.74 = 14,136.76/x
  3. Step 3: Cross multiply
    53,579.32x = 80,359.74 × 14,136.76
  4. Step 4: Simplify right side
    53,579.32x = 1,136,026,358.04
  5. Step 5: Solve for x
    x = 1,136,026,358.04/53,579.32
  6. Step 6: Final answer
    x = 21,202.70

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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.