Home / 47,675.16-65,782.14-28,813.32

Finding the Fourth Proportional to 47,675.16, 65,782.14 and 28,813.32

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Solution

The fourth proportional to 47,675.16, 65,782.14 and 28,813.32 is: 39,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,675.16 : 65,782.14 = 28,813.32 : x
  2. Step 2: Convert to fraction form
    47,675.16/65,782.14 = 28,813.32/x
  3. Step 3: Cross multiply
    47,675.16x = 65,782.14 × 28,813.32
  4. Step 4: Simplify right side
    47,675.16x = 1,895,401,850.10
  5. Step 5: Solve for x
    x = 1,895,401,850.10/47,675.16
  6. Step 6: Final answer
    x = 39,756.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.