Home / 30,144.02-45,224.87-13,500.34

Finding the Fourth Proportional to 30,144.02, 45,224.87 and 13,500.34

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Solution

The fourth proportional to 30,144.02, 45,224.87 and 13,500.34 is: 20,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.02 : 45,224.87 = 13,500.34 : x
  2. Step 2: Convert to fraction form
    30,144.02/45,224.87 = 13,500.34/x
  3. Step 3: Cross multiply
    30,144.02x = 45,224.87 × 13,500.34
  4. Step 4: Simplify right side
    30,144.02x = 610,550,940.89
  5. Step 5: Solve for x
    x = 610,550,940.89/30,144.02
  6. Step 6: Final answer
    x = 20,254.47

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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.