Home / 49,478.42-68,272.80-28,253.18

Finding the Fourth Proportional to 49,478.42, 68,272.80 and 28,253.18

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Solution

The fourth proportional to 49,478.42, 68,272.80 and 28,253.18 is: 38,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.42 : 68,272.80 = 28,253.18 : x
  2. Step 2: Convert to fraction form
    49,478.42/68,272.80 = 28,253.18/x
  3. Step 3: Cross multiply
    49,478.42x = 68,272.80 × 28,253.18
  4. Step 4: Simplify right side
    49,478.42x = 1,928,923,707.50
  5. Step 5: Solve for x
    x = 1,928,923,707.50/49,478.42
  6. Step 6: Final answer
    x = 38,985.15

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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.