Home / 57,193.35-78,929.72-32,985.31

Finding the Fourth Proportional to 57,193.35, 78,929.72 and 32,985.31

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Solution

The fourth proportional to 57,193.35, 78,929.72 and 32,985.31 is: 45,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.35 : 78,929.72 = 32,985.31 : x
  2. Step 2: Convert to fraction form
    57,193.35/78,929.72 = 32,985.31/x
  3. Step 3: Cross multiply
    57,193.35x = 78,929.72 × 32,985.31
  4. Step 4: Simplify right side
    57,193.35x = 2,603,521,282.41
  5. Step 5: Solve for x
    x = 2,603,521,282.41/57,193.35
  6. Step 6: Final answer
    x = 45,521.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.