Home / 30,150.32-41,607.76-16,538.32

Finding the Fourth Proportional to 30,150.32, 41,607.76 and 16,538.32

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Solution

The fourth proportional to 30,150.32, 41,607.76 and 16,538.32 is: 22,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.32 : 41,607.76 = 16,538.32 : x
  2. Step 2: Convert to fraction form
    30,150.32/41,607.76 = 16,538.32/x
  3. Step 3: Cross multiply
    30,150.32x = 41,607.76 × 16,538.32
  4. Step 4: Simplify right side
    30,150.32x = 688,122,449.36
  5. Step 5: Solve for x
    x = 688,122,449.36/30,150.32
  6. Step 6: Final answer
    x = 22,823.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.