Home / 56,721.98-85,063.12-16,730.35

Finding the Fourth Proportional to 56,721.98, 85,063.12 and 16,730.35

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Solution

The fourth proportional to 56,721.98, 85,063.12 and 16,730.35 is: 25,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.98 : 85,063.12 = 16,730.35 : x
  2. Step 2: Convert to fraction form
    56,721.98/85,063.12 = 16,730.35/x
  3. Step 3: Cross multiply
    56,721.98x = 85,063.12 × 16,730.35
  4. Step 4: Simplify right side
    56,721.98x = 1,423,135,577.95
  5. Step 5: Solve for x
    x = 1,423,135,577.95/56,721.98
  6. Step 6: Final answer
    x = 25,089.67

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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.