Home / 51,185.76-70,640.43-28,532.04

Finding the Fourth Proportional to 51,185.76, 70,640.43 and 28,532.04

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Solution

The fourth proportional to 51,185.76, 70,640.43 and 28,532.04 is: 39,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185.76 : 70,640.43 = 28,532.04 : x
  2. Step 2: Convert to fraction form
    51,185.76/70,640.43 = 28,532.04/x
  3. Step 3: Cross multiply
    51,185.76x = 70,640.43 × 28,532.04
  4. Step 4: Simplify right side
    51,185.76x = 2,015,515,574.38
  5. Step 5: Solve for x
    x = 2,015,515,574.38/51,185.76
  6. Step 6: Final answer
    x = 39,376.49

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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.