Home / 42,579.02-63,876.28-14,497.64

Finding the Fourth Proportional to 42,579.02, 63,876.28 and 14,497.64

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Solution

The fourth proportional to 42,579.02, 63,876.28 and 14,497.64 is: 21,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.02 : 63,876.28 = 14,497.64 : x
  2. Step 2: Convert to fraction form
    42,579.02/63,876.28 = 14,497.64/x
  3. Step 3: Cross multiply
    42,579.02x = 63,876.28 × 14,497.64
  4. Step 4: Simplify right side
    42,579.02x = 926,055,311.98
  5. Step 5: Solve for x
    x = 926,055,311.98/42,579.02
  6. Step 6: Final answer
    x = 21,749.10

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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.