Home / 45,159.07-67,759.62-20,216.00

Finding the Fourth Proportional to 45,159.07, 67,759.62 and 20,216.00

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Solution

The fourth proportional to 45,159.07, 67,759.62 and 20,216.00 is: 30,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.07 : 67,759.62 = 20,216.00 : x
  2. Step 2: Convert to fraction form
    45,159.07/67,759.62 = 20,216.00/x
  3. Step 3: Cross multiply
    45,159.07x = 67,759.62 × 20,216.00
  4. Step 4: Simplify right side
    45,159.07x = 1,369,828,304.08
  5. Step 5: Solve for x
    x = 1,369,828,304.08/45,159.07
  6. Step 6: Final answer
    x = 30,333.40

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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.