Home / 30,343.38-45,535.56-10,622.10

Finding the Fourth Proportional to 30,343.38, 45,535.56 and 10,622.10

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Solution

The fourth proportional to 30,343.38, 45,535.56 and 10,622.10 is: 15,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.38 : 45,535.56 = 10,622.10 : x
  2. Step 2: Convert to fraction form
    30,343.38/45,535.56 = 10,622.10/x
  3. Step 3: Cross multiply
    30,343.38x = 45,535.56 × 10,622.10
  4. Step 4: Simplify right side
    30,343.38x = 483,683,271.88
  5. Step 5: Solve for x
    x = 483,683,271.88/30,343.38
  6. Step 6: Final answer
    x = 15,940.32

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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.