Home / 31,460.64-47,196.36-10,405.68

Finding the Fourth Proportional to 31,460.64, 47,196.36 and 10,405.68

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Solution

The fourth proportional to 31,460.64, 47,196.36 and 10,405.68 is: 15,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.64 : 47,196.36 = 10,405.68 : x
  2. Step 2: Convert to fraction form
    31,460.64/47,196.36 = 10,405.68/x
  3. Step 3: Cross multiply
    31,460.64x = 47,196.36 × 10,405.68
  4. Step 4: Simplify right side
    31,460.64x = 491,110,219.32
  5. Step 5: Solve for x
    x = 491,110,219.32/31,460.64
  6. Step 6: Final answer
    x = 15,610.31

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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.