Home / 53,865.87-74,172.57-50,709.72

Finding the Fourth Proportional to 53,865.87, 74,172.57 and 50,709.72

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Solution

The fourth proportional to 53,865.87, 74,172.57 and 50,709.72 is: 69,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.87 : 74,172.57 = 50,709.72 : x
  2. Step 2: Convert to fraction form
    53,865.87/74,172.57 = 50,709.72/x
  3. Step 3: Cross multiply
    53,865.87x = 74,172.57 × 50,709.72
  4. Step 4: Simplify right side
    53,865.87x = 3,761,270,256.38
  5. Step 5: Solve for x
    x = 3,761,270,256.38/53,865.87
  6. Step 6: Final answer
    x = 69,826.59

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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.