Home / 31,362.08-47,047.44-11,638.96

Finding the Fourth Proportional to 31,362.08, 47,047.44 and 11,638.96

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Solution

The fourth proportional to 31,362.08, 47,047.44 and 11,638.96 is: 17,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.08 : 47,047.44 = 11,638.96 : x
  2. Step 2: Convert to fraction form
    31,362.08/47,047.44 = 11,638.96/x
  3. Step 3: Cross multiply
    31,362.08x = 47,047.44 × 11,638.96
  4. Step 4: Simplify right side
    31,362.08x = 547,583,272.26
  5. Step 5: Solve for x
    x = 547,583,272.26/31,362.08
  6. Step 6: Final answer
    x = 17,460.04

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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.