Home / 45,739.20-68,576.40-17,648.40

Finding the Fourth Proportional to 45,739.20, 68,576.40 and 17,648.40

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Solution

The fourth proportional to 45,739.20, 68,576.40 and 17,648.40 is: 26,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.20 : 68,576.40 = 17,648.40 : x
  2. Step 2: Convert to fraction form
    45,739.20/68,576.40 = 17,648.40/x
  3. Step 3: Cross multiply
    45,739.20x = 68,576.40 × 17,648.40
  4. Step 4: Simplify right side
    45,739.20x = 1,210,263,737.76
  5. Step 5: Solve for x
    x = 1,210,263,737.76/45,739.20
  6. Step 6: Final answer
    x = 26,460.10

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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.