Home / 30,274.39-45,411.06-13,622.64

Finding the Fourth Proportional to 30,274.39, 45,411.06 and 13,622.64

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Solution

The fourth proportional to 30,274.39, 45,411.06 and 13,622.64 is: 20,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.39 : 45,411.06 = 13,622.64 : x
  2. Step 2: Convert to fraction form
    30,274.39/45,411.06 = 13,622.64/x
  3. Step 3: Cross multiply
    30,274.39x = 45,411.06 × 13,622.64
  4. Step 4: Simplify right side
    30,274.39x = 618,618,522.40
  5. Step 5: Solve for x
    x = 618,618,522.40/30,274.39
  6. Step 6: Final answer
    x = 20,433.72

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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.