Home / 47,597.04-65,682.36-28,730.88

Finding the Fourth Proportional to 47,597.04, 65,682.36 and 28,730.88

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Solution

The fourth proportional to 47,597.04, 65,682.36 and 28,730.88 is: 39,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,597.04 : 65,682.36 = 28,730.88 : x
  2. Step 2: Convert to fraction form
    47,597.04/65,682.36 = 28,730.88/x
  3. Step 3: Cross multiply
    47,597.04x = 65,682.36 × 28,730.88
  4. Step 4: Simplify right side
    47,597.04x = 1,887,112,003.28
  5. Step 5: Solve for x
    x = 1,887,112,003.28/47,597.04
  6. Step 6: Final answer
    x = 39,647.68

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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.