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Finding the Fourth Proportional to 86,346, 129,519 and 24,018.12

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Solution

The fourth proportional to 86,346, 129,519 and 24,018.12 is: 36,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346 : 129,519 = 24,018.12 : x
  2. Step 2: Convert to fraction form
    86,346/129,519 = 24,018.12/x
  3. Step 3: Cross multiply
    86,346x = 129,519 × 24,018.12
  4. Step 4: Simplify right side
    86,346x = 3,110,802,884.28
  5. Step 5: Solve for x
    x = 3,110,802,884.28/86,346
  6. Step 6: Final answer
    x = 36,027.18

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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.