Home / 31,276.08-46,884.96-10,485

Finding the Fourth Proportional to 31,276.08, 46,884.96 and 10,485

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Solution

The fourth proportional to 31,276.08, 46,884.96 and 10,485 is: 15,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.08 : 46,884.96 = 10,485 : x
  2. Step 2: Convert to fraction form
    31,276.08/46,884.96 = 10,485/x
  3. Step 3: Cross multiply
    31,276.08x = 46,884.96 × 10,485
  4. Step 4: Simplify right side
    31,276.08x = 491,588,805.60
  5. Step 5: Solve for x
    x = 491,588,805.60/31,276.08
  6. Step 6: Final answer
    x = 15,717.72

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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.