Home / 30,620.10-45,887.34-16,549.78

Finding the Fourth Proportional to 30,620.10, 45,887.34 and 16,549.78

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Solution

The fourth proportional to 30,620.10, 45,887.34 and 16,549.78 is: 24,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.10 : 45,887.34 = 16,549.78 : x
  2. Step 2: Convert to fraction form
    30,620.10/45,887.34 = 16,549.78/x
  3. Step 3: Cross multiply
    30,620.10x = 45,887.34 × 16,549.78
  4. Step 4: Simplify right side
    30,620.10x = 759,425,381.79
  5. Step 5: Solve for x
    x = 759,425,381.79/30,620.10
  6. Step 6: Final answer
    x = 24,801.53

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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.