Home / 48,647.32-67,149.88-28,510.60

Finding the Fourth Proportional to 48,647.32, 67,149.88 and 28,510.60

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Solution

The fourth proportional to 48,647.32, 67,149.88 and 28,510.60 is: 39,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.32 : 67,149.88 = 28,510.60 : x
  2. Step 2: Convert to fraction form
    48,647.32/67,149.88 = 28,510.60/x
  3. Step 3: Cross multiply
    48,647.32x = 67,149.88 × 28,510.60
  4. Step 4: Simplify right side
    48,647.32x = 1,914,483,368.73
  5. Step 5: Solve for x
    x = 1,914,483,368.73/48,647.32
  6. Step 6: Final answer
    x = 39,354.34

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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.