Home / 49,968.60-68,964.21-28,746.51

Finding the Fourth Proportional to 49,968.60, 68,964.21 and 28,746.51

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Solution

The fourth proportional to 49,968.60, 68,964.21 and 28,746.51 is: 39,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,968.60 : 68,964.21 = 28,746.51 : x
  2. Step 2: Convert to fraction form
    49,968.60/68,964.21 = 28,746.51/x
  3. Step 3: Cross multiply
    49,968.60x = 68,964.21 × 28,746.51
  4. Step 4: Simplify right side
    49,968.60x = 1,982,480,352.41
  5. Step 5: Solve for x
    x = 1,982,480,352.41/49,968.60
  6. Step 6: Final answer
    x = 39,674.52

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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.