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Finding the Fourth Proportional to 29,762.85, 44,644.23 and 12,220.32

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Solution

The fourth proportional to 29,762.85, 44,644.23 and 12,220.32 is: 18,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,762.85 : 44,644.23 = 12,220.32 : x
  2. Step 2: Convert to fraction form
    29,762.85/44,644.23 = 12,220.32/x
  3. Step 3: Cross multiply
    29,762.85x = 44,644.23 × 12,220.32
  4. Step 4: Simplify right side
    29,762.85x = 545,566,776.75
  5. Step 5: Solve for x
    x = 545,566,776.75/29,762.85
  6. Step 6: Final answer
    x = 18,330.46

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1.5x scale

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.