Home / 30,099.81-41,533.65-16,667.76

Finding the Fourth Proportional to 30,099.81, 41,533.65 and 16,667.76

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Solution

The fourth proportional to 30,099.81, 41,533.65 and 16,667.76 is: 22,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.81 : 41,533.65 = 16,667.76 : x
  2. Step 2: Convert to fraction form
    30,099.81/41,533.65 = 16,667.76/x
  3. Step 3: Cross multiply
    30,099.81x = 41,533.65 × 16,667.76
  4. Step 4: Simplify right side
    30,099.81x = 692,272,910.12
  5. Step 5: Solve for x
    x = 692,272,910.12/30,099.81
  6. Step 6: Final answer
    x = 22,999.25

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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.