Home / 45,455.77-68,161.78-19,146.16

Finding the Fourth Proportional to 45,455.77, 68,161.78 and 19,146.16

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Solution

The fourth proportional to 45,455.77, 68,161.78 and 19,146.16 is: 28,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,455.77 : 68,161.78 = 19,146.16 : x
  2. Step 2: Convert to fraction form
    45,455.77/68,161.78 = 19,146.16/x
  3. Step 3: Cross multiply
    45,455.77x = 68,161.78 × 19,146.16
  4. Step 4: Simplify right side
    45,455.77x = 1,305,036,345.76
  5. Step 5: Solve for x
    x = 1,305,036,345.76/45,455.77
  6. Step 6: Final answer
    x = 28,710.03

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1.5x scale

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.