Home / 35,110.79-52,660.99-12,918.98

Finding the Fourth Proportional to 35,110.79, 52,660.99 and 12,918.98

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Solution

The fourth proportional to 35,110.79, 52,660.99 and 12,918.98 is: 19,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.79 : 52,660.99 = 12,918.98 : x
  2. Step 2: Convert to fraction form
    35,110.79/52,660.99 = 12,918.98/x
  3. Step 3: Cross multiply
    35,110.79x = 52,660.99 × 12,918.98
  4. Step 4: Simplify right side
    35,110.79x = 680,326,276.59
  5. Step 5: Solve for x
    x = 680,326,276.59/35,110.79
  6. Step 6: Final answer
    x = 19,376.56

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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.