Home / 30,102.72-45,165.60-14,519.04

Finding the Fourth Proportional to 30,102.72, 45,165.60 and 14,519.04

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Solution

The fourth proportional to 30,102.72, 45,165.60 and 14,519.04 is: 21,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.72 : 45,165.60 = 14,519.04 : x
  2. Step 2: Convert to fraction form
    30,102.72/45,165.60 = 14,519.04/x
  3. Step 3: Cross multiply
    30,102.72x = 45,165.60 × 14,519.04
  4. Step 4: Simplify right side
    30,102.72x = 655,761,153.02
  5. Step 5: Solve for x
    x = 655,761,153.02/30,102.72
  6. Step 6: Final answer
    x = 21,784.12

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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.