Home / 31,159.08-46,705.03-15,114.64

Finding the Fourth Proportional to 31,159.08, 46,705.03 and 15,114.64

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Solution

The fourth proportional to 31,159.08, 46,705.03 and 15,114.64 is: 22,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.08 : 46,705.03 = 15,114.64 : x
  2. Step 2: Convert to fraction form
    31,159.08/46,705.03 = 15,114.64/x
  3. Step 3: Cross multiply
    31,159.08x = 46,705.03 × 15,114.64
  4. Step 4: Simplify right side
    31,159.08x = 705,929,714.64
  5. Step 5: Solve for x
    x = 705,929,714.64/31,159.08
  6. Step 6: Final answer
    x = 22,655.67

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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.