Home / 45,559.11-68,339.12-15,977.66

Finding the Fourth Proportional to 45,559.11, 68,339.12 and 15,977.66

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Solution

The fourth proportional to 45,559.11, 68,339.12 and 15,977.66 is: 23,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.11 : 68,339.12 = 15,977.66 : x
  2. Step 2: Convert to fraction form
    45,559.11/68,339.12 = 15,977.66/x
  3. Step 3: Cross multiply
    45,559.11x = 68,339.12 × 15,977.66
  4. Step 4: Simplify right side
    45,559.11x = 1,091,898,802.48
  5. Step 5: Solve for x
    x = 1,091,898,802.48/45,559.11
  6. Step 6: Final answer
    x = 23,966.64

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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.