Home / 47,599.08-65,688.48-28,732.56

Finding the Fourth Proportional to 47,599.08, 65,688.48 and 28,732.56

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Solution

The fourth proportional to 47,599.08, 65,688.48 and 28,732.56 is: 39,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,599.08 : 65,688.48 = 28,732.56 : x
  2. Step 2: Convert to fraction form
    47,599.08/65,688.48 = 28,732.56/x
  3. Step 3: Cross multiply
    47,599.08x = 65,688.48 × 28,732.56
  4. Step 4: Simplify right side
    47,599.08x = 1,887,398,192.91
  5. Step 5: Solve for x
    x = 1,887,398,192.91/47,599.08
  6. Step 6: Final answer
    x = 39,651.99

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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.