Home / 30,146.02-45,202.11-13,522.03

Finding the Fourth Proportional to 30,146.02, 45,202.11 and 13,522.03

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Solution

The fourth proportional to 30,146.02, 45,202.11 and 13,522.03 is: 20,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.02 : 45,202.11 = 13,522.03 : x
  2. Step 2: Convert to fraction form
    30,146.02/45,202.11 = 13,522.03/x
  3. Step 3: Cross multiply
    30,146.02x = 45,202.11 × 13,522.03
  4. Step 4: Simplify right side
    30,146.02x = 611,224,287.48
  5. Step 5: Solve for x
    x = 611,224,287.48/30,146.02
  6. Step 6: Final answer
    x = 20,275.46

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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.