Home / 56,467.20-84,679.29-19,017.21

Finding the Fourth Proportional to 56,467.20, 84,679.29 and 19,017.21

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Solution

The fourth proportional to 56,467.20, 84,679.29 and 19,017.21 is: 28,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,467.20 : 84,679.29 = 19,017.21 : x
  2. Step 2: Convert to fraction form
    56,467.20/84,679.29 = 19,017.21/x
  3. Step 3: Cross multiply
    56,467.20x = 84,679.29 × 19,017.21
  4. Step 4: Simplify right side
    56,467.20x = 1,610,363,840.58
  5. Step 5: Solve for x
    x = 1,610,363,840.58/56,467.20
  6. Step 6: Final answer
    x = 28,518.57

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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.