Home / 47,591.84-65,690.26-28,730.18

Finding the Fourth Proportional to 47,591.84, 65,690.26 and 28,730.18

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Solution

The fourth proportional to 47,591.84, 65,690.26 and 28,730.18 is: 39,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,591.84 : 65,690.26 = 28,730.18 : x
  2. Step 2: Convert to fraction form
    47,591.84/65,690.26 = 28,730.18/x
  3. Step 3: Cross multiply
    47,591.84x = 65,690.26 × 28,730.18
  4. Step 4: Simplify right side
    47,591.84x = 1,887,292,994.05
  5. Step 5: Solve for x
    x = 1,887,292,994.05/47,591.84
  6. Step 6: Final answer
    x = 39,655.81

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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.