Home / 35,977.77-53,971.58-12,278.94

Finding the Fourth Proportional to 35,977.77, 53,971.58 and 12,278.94

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Solution

The fourth proportional to 35,977.77, 53,971.58 and 12,278.94 is: 18,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.77 : 53,971.58 = 12,278.94 : x
  2. Step 2: Convert to fraction form
    35,977.77/53,971.58 = 12,278.94/x
  3. Step 3: Cross multiply
    35,977.77x = 53,971.58 × 12,278.94
  4. Step 4: Simplify right side
    35,977.77x = 662,713,731.13
  5. Step 5: Solve for x
    x = 662,713,731.13/35,977.77
  6. Step 6: Final answer
    x = 18,420.09

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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.