Home / 46,363.21-69,520.11-21,390.37

Finding the Fourth Proportional to 46,363.21, 69,520.11 and 21,390.37

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Solution

The fourth proportional to 46,363.21, 69,520.11 and 21,390.37 is: 32,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,363.21 : 69,520.11 = 21,390.37 : x
  2. Step 2: Convert to fraction form
    46,363.21/69,520.11 = 21,390.37/x
  3. Step 3: Cross multiply
    46,363.21x = 69,520.11 × 21,390.37
  4. Step 4: Simplify right side
    46,363.21x = 1,487,060,875.34
  5. Step 5: Solve for x
    x = 1,487,060,875.34/46,363.21
  6. Step 6: Final answer
    x = 32,074.16

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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.