Home / 30,272.00-45,372.29-13,612.46

Finding the Fourth Proportional to 30,272.00, 45,372.29 and 13,612.46

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Solution

The fourth proportional to 30,272.00, 45,372.29 and 13,612.46 is: 20,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.00 : 45,372.29 = 13,612.46 : x
  2. Step 2: Convert to fraction form
    30,272.00/45,372.29 = 13,612.46/x
  3. Step 3: Cross multiply
    30,272.00x = 45,372.29 × 13,612.46
  4. Step 4: Simplify right side
    30,272.00x = 617,628,187.81
  5. Step 5: Solve for x
    x = 617,628,187.81/30,272.00
  6. Step 6: Final answer
    x = 20,402.63

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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.