Home / 37,643.20-56,432.40-19,175.20

Finding the Fourth Proportional to 37,643.20, 56,432.40 and 19,175.20

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Solution

The fourth proportional to 37,643.20, 56,432.40 and 19,175.20 is: 28,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.20 : 56,432.40 = 19,175.20 : x
  2. Step 2: Convert to fraction form
    37,643.20/56,432.40 = 19,175.20/x
  3. Step 3: Cross multiply
    37,643.20x = 56,432.40 × 19,175.20
  4. Step 4: Simplify right side
    37,643.20x = 1,082,102,556.48
  5. Step 5: Solve for x
    x = 1,082,102,556.48/37,643.20
  6. Step 6: Final answer
    x = 28,746.30

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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.