Home / 48,657.53-67,147.45-28,510.40

Finding the Fourth Proportional to 48,657.53, 67,147.45 and 28,510.40

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Solution

The fourth proportional to 48,657.53, 67,147.45 and 28,510.40 is: 39,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.53 : 67,147.45 = 28,510.40 : x
  2. Step 2: Convert to fraction form
    48,657.53/67,147.45 = 28,510.40/x
  3. Step 3: Cross multiply
    48,657.53x = 67,147.45 × 28,510.40
  4. Step 4: Simplify right side
    48,657.53x = 1,914,400,755.07
  5. Step 5: Solve for x
    x = 1,914,400,755.07/48,657.53
  6. Step 6: Final answer
    x = 39,344.39

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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.