Home / 40,271.58-60,380.70-19,214.87

Finding the Fourth Proportional to 40,271.58, 60,380.70 and 19,214.87

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Solution

The fourth proportional to 40,271.58, 60,380.70 and 19,214.87 is: 28,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.58 : 60,380.70 = 19,214.87 : x
  2. Step 2: Convert to fraction form
    40,271.58/60,380.70 = 19,214.87/x
  3. Step 3: Cross multiply
    40,271.58x = 60,380.70 × 19,214.87
  4. Step 4: Simplify right side
    40,271.58x = 1,160,207,301.01
  5. Step 5: Solve for x
    x = 1,160,207,301.01/40,271.58
  6. Step 6: Final answer
    x = 28,809.58

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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.