Home / 49,904.60-68,870.96-28,685.84

Finding the Fourth Proportional to 49,904.60, 68,870.96 and 28,685.84

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Solution

The fourth proportional to 49,904.60, 68,870.96 and 28,685.84 is: 39,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.60 : 68,870.96 = 28,685.84 : x
  2. Step 2: Convert to fraction form
    49,904.60/68,870.96 = 28,685.84/x
  3. Step 3: Cross multiply
    49,904.60x = 68,870.96 × 28,685.84
  4. Step 4: Simplify right side
    49,904.60x = 1,975,621,339.21
  5. Step 5: Solve for x
    x = 1,975,621,339.21/49,904.60
  6. Step 6: Final answer
    x = 39,587.96

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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.