Home / 48,416.31-66,813.99-28,276.32

Finding the Fourth Proportional to 48,416.31, 66,813.99 and 28,276.32

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Solution

The fourth proportional to 48,416.31, 66,813.99 and 28,276.32 is: 39,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,416.31 : 66,813.99 = 28,276.32 : x
  2. Step 2: Convert to fraction form
    48,416.31/66,813.99 = 28,276.32/x
  3. Step 3: Cross multiply
    48,416.31x = 66,813.99 × 28,276.32
  4. Step 4: Simplify right side
    48,416.31x = 1,889,253,422.02
  5. Step 5: Solve for x
    x = 1,889,253,422.02/48,416.31
  6. Step 6: Final answer
    x = 39,021.01

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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.