Home / 30,410.77-45,622.56-11,435.52

Finding the Fourth Proportional to 30,410.77, 45,622.56 and 11,435.52

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Solution

The fourth proportional to 30,410.77, 45,622.56 and 11,435.52 is: 17,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.77 : 45,622.56 = 11,435.52 : x
  2. Step 2: Convert to fraction form
    30,410.77/45,622.56 = 11,435.52/x
  3. Step 3: Cross multiply
    30,410.77x = 45,622.56 × 11,435.52
  4. Step 4: Simplify right side
    30,410.77x = 521,717,697.33
  5. Step 5: Solve for x
    x = 521,717,697.33/30,410.77
  6. Step 6: Final answer
    x = 17,155.69

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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.