Home / 45,559.61-68,339.87-15,978.16

Finding the Fourth Proportional to 45,559.61, 68,339.87 and 15,978.16

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Solution

The fourth proportional to 45,559.61, 68,339.87 and 15,978.16 is: 23,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.61 : 68,339.87 = 15,978.16 : x
  2. Step 2: Convert to fraction form
    45,559.61/68,339.87 = 15,978.16/x
  3. Step 3: Cross multiply
    45,559.61x = 68,339.87 × 15,978.16
  4. Step 4: Simplify right side
    45,559.61x = 1,091,944,955.65
  5. Step 5: Solve for x
    x = 1,091,944,955.65/45,559.61
  6. Step 6: Final answer
    x = 23,967.39

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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.