Home / 30,889.53-46,316.72-12,159.41

Finding the Fourth Proportional to 30,889.53, 46,316.72 and 12,159.41

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Solution

The fourth proportional to 30,889.53, 46,316.72 and 12,159.41 is: 18,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.53 : 46,316.72 = 12,159.41 : x
  2. Step 2: Convert to fraction form
    30,889.53/46,316.72 = 12,159.41/x
  3. Step 3: Cross multiply
    30,889.53x = 46,316.72 × 12,159.41
  4. Step 4: Simplify right side
    30,889.53x = 563,183,811.75
  5. Step 5: Solve for x
    x = 563,183,811.75/30,889.53
  6. Step 6: Final answer
    x = 18,232.19

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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.