Home / 30,511.72-45,533.33-30,336.52

Finding the Fourth Proportional to 30,511.72, 45,533.33 and 30,336.52

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Solution

The fourth proportional to 30,511.72, 45,533.33 and 30,336.52 is: 45,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511.72 : 45,533.33 = 30,336.52 : x
  2. Step 2: Convert to fraction form
    30,511.72/45,533.33 = 30,336.52/x
  3. Step 3: Cross multiply
    30,511.72x = 45,533.33 × 30,336.52
  4. Step 4: Simplify right side
    30,511.72x = 1,381,322,776.21
  5. Step 5: Solve for x
    x = 1,381,322,776.21/30,511.72
  6. Step 6: Final answer
    x = 45,271.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.