Home / 40,871.16-61,311.54-14,579.64

Finding the Fourth Proportional to 40,871.16, 61,311.54 and 14,579.64

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Solution

The fourth proportional to 40,871.16, 61,311.54 and 14,579.64 is: 21,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.16 : 61,311.54 = 14,579.64 : x
  2. Step 2: Convert to fraction form
    40,871.16/61,311.54 = 14,579.64/x
  3. Step 3: Cross multiply
    40,871.16x = 61,311.54 × 14,579.64
  4. Step 4: Simplify right side
    40,871.16x = 893,900,181.05
  5. Step 5: Solve for x
    x = 893,900,181.05/40,871.16
  6. Step 6: Final answer
    x = 21,871.17

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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.