Home / 30,353.13-45,502.36-10,622.75

Finding the Fourth Proportional to 30,353.13, 45,502.36 and 10,622.75

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Solution

The fourth proportional to 30,353.13, 45,502.36 and 10,622.75 is: 15,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.13 : 45,502.36 = 10,622.75 : x
  2. Step 2: Convert to fraction form
    30,353.13/45,502.36 = 10,622.75/x
  3. Step 3: Cross multiply
    30,353.13x = 45,502.36 × 10,622.75
  4. Step 4: Simplify right side
    30,353.13x = 483,359,940.62
  5. Step 5: Solve for x
    x = 483,359,940.62/30,353.13
  6. Step 6: Final answer
    x = 15,924.55

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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.