Home / 48,509.16-66,943.62-28,381.44

Finding the Fourth Proportional to 48,509.16, 66,943.62 and 28,381.44

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Solution

The fourth proportional to 48,509.16, 66,943.62 and 28,381.44 is: 39,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.16 : 66,943.62 = 28,381.44 : x
  2. Step 2: Convert to fraction form
    48,509.16/66,943.62 = 28,381.44/x
  3. Step 3: Cross multiply
    48,509.16x = 66,943.62 × 28,381.44
  4. Step 4: Simplify right side
    48,509.16x = 1,899,956,334.41
  5. Step 5: Solve for x
    x = 1,899,956,334.41/48,509.16
  6. Step 6: Final answer
    x = 39,166.96

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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.