Home / 51,937.08-78,051.74-30,880.94

Finding the Fourth Proportional to 51,937.08, 78,051.74 and 30,880.94

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Solution

The fourth proportional to 51,937.08, 78,051.74 and 30,880.94 is: 46,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.08 : 78,051.74 = 30,880.94 : x
  2. Step 2: Convert to fraction form
    51,937.08/78,051.74 = 30,880.94/x
  3. Step 3: Cross multiply
    51,937.08x = 78,051.74 × 30,880.94
  4. Step 4: Simplify right side
    51,937.08x = 2,410,310,555.17
  5. Step 5: Solve for x
    x = 2,410,310,555.17/51,937.08
  6. Step 6: Final answer
    x = 46,408.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.