Home / 45,848.54-68,779.20-20,894.87

Finding the Fourth Proportional to 45,848.54, 68,779.20 and 20,894.87

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Solution

The fourth proportional to 45,848.54, 68,779.20 and 20,894.87 is: 31,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,848.54 : 68,779.20 = 20,894.87 : x
  2. Step 2: Convert to fraction form
    45,848.54/68,779.20 = 20,894.87/x
  3. Step 3: Cross multiply
    45,848.54x = 68,779.20 × 20,894.87
  4. Step 4: Simplify right side
    45,848.54x = 1,437,132,098.81
  5. Step 5: Solve for x
    x = 1,437,132,098.81/45,848.54
  6. Step 6: Final answer
    x = 31,345.21

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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.