Home / 30,848.08-42,567.78-18,099.94

Finding the Fourth Proportional to 30,848.08, 42,567.78 and 18,099.94

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Solution

The fourth proportional to 30,848.08, 42,567.78 and 18,099.94 is: 24,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.08 : 42,567.78 = 18,099.94 : x
  2. Step 2: Convert to fraction form
    30,848.08/42,567.78 = 18,099.94/x
  3. Step 3: Cross multiply
    30,848.08x = 42,567.78 × 18,099.94
  4. Step 4: Simplify right side
    30,848.08x = 770,474,263.93
  5. Step 5: Solve for x
    x = 770,474,263.93/30,848.08
  6. Step 6: Final answer
    x = 24,976.41

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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.