Home / 30,130.64-41,579.62-16,701.78

Finding the Fourth Proportional to 30,130.64, 41,579.62 and 16,701.78

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Solution

The fourth proportional to 30,130.64, 41,579.62 and 16,701.78 is: 23,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.64 : 41,579.62 = 16,701.78 : x
  2. Step 2: Convert to fraction form
    30,130.64/41,579.62 = 16,701.78/x
  3. Step 3: Cross multiply
    30,130.64x = 41,579.62 × 16,701.78
  4. Step 4: Simplify right side
    30,130.64x = 694,453,476.04
  5. Step 5: Solve for x
    x = 694,453,476.04/30,130.64
  6. Step 6: Final answer
    x = 23,048.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.