Home / 49,440.37-74,160.58-12,000.50

Finding the Fourth Proportional to 49,440.37, 74,160.58 and 12,000.50

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Solution

The fourth proportional to 49,440.37, 74,160.58 and 12,000.50 is: 18,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,440.37 : 74,160.58 = 12,000.50 : x
  2. Step 2: Convert to fraction form
    49,440.37/74,160.58 = 12,000.50/x
  3. Step 3: Cross multiply
    49,440.37x = 74,160.58 × 12,000.50
  4. Step 4: Simplify right side
    49,440.37x = 889,963,639.49
  5. Step 5: Solve for x
    x = 889,963,639.49/49,440.37
  6. Step 6: Final answer
    x = 18,000.75

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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.