Home / 49,688.77-74,533.21-12,249.49

Finding the Fourth Proportional to 49,688.77, 74,533.21 and 12,249.49

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Solution

The fourth proportional to 49,688.77, 74,533.21 and 12,249.49 is: 18,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.77 : 74,533.21 = 12,249.49 : x
  2. Step 2: Convert to fraction form
    49,688.77/74,533.21 = 12,249.49/x
  3. Step 3: Cross multiply
    49,688.77x = 74,533.21 × 12,249.49
  4. Step 4: Simplify right side
    49,688.77x = 912,993,749.32
  5. Step 5: Solve for x
    x = 912,993,749.32/49,688.77
  6. Step 6: Final answer
    x = 18,374.25

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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.