Home / 30,169.10-45,193.26-14,389.49

Finding the Fourth Proportional to 30,169.10, 45,193.26 and 14,389.49

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Solution

The fourth proportional to 30,169.10, 45,193.26 and 14,389.49 is: 21,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.10 : 45,193.26 = 14,389.49 : x
  2. Step 2: Convert to fraction form
    30,169.10/45,193.26 = 14,389.49/x
  3. Step 3: Cross multiply
    30,169.10x = 45,193.26 × 14,389.49
  4. Step 4: Simplify right side
    30,169.10x = 650,307,962.84
  5. Step 5: Solve for x
    x = 650,307,962.84/30,169.10
  6. Step 6: Final answer
    x = 21,555.43

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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.