Home / 48,585.10-67,064.21-28,448.45

Finding the Fourth Proportional to 48,585.10, 67,064.21 and 28,448.45

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Solution

The fourth proportional to 48,585.10, 67,064.21 and 28,448.45 is: 39,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,585.10 : 67,064.21 = 28,448.45 : x
  2. Step 2: Convert to fraction form
    48,585.10/67,064.21 = 28,448.45/x
  3. Step 3: Cross multiply
    48,585.10x = 67,064.21 × 28,448.45
  4. Step 4: Simplify right side
    48,585.10x = 1,907,873,063.76
  5. Step 5: Solve for x
    x = 1,907,873,063.76/48,585.10
  6. Step 6: Final answer
    x = 39,268.69

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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.