Home / 31,427.63-47,140.30-10,367.08

Finding the Fourth Proportional to 31,427.63, 47,140.30 and 10,367.08

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Solution

The fourth proportional to 31,427.63, 47,140.30 and 10,367.08 is: 15,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.63 : 47,140.30 = 10,367.08 : x
  2. Step 2: Convert to fraction form
    31,427.63/47,140.30 = 10,367.08/x
  3. Step 3: Cross multiply
    31,427.63x = 47,140.30 × 10,367.08
  4. Step 4: Simplify right side
    31,427.63x = 488,707,261.32
  5. Step 5: Solve for x
    x = 488,707,261.32/31,427.63
  6. Step 6: Final answer
    x = 15,550.24

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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.