Home / 30,847.08-42,566.40-18,098.93

Finding the Fourth Proportional to 30,847.08, 42,566.40 and 18,098.93

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Solution

The fourth proportional to 30,847.08, 42,566.40 and 18,098.93 is: 24,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.08 : 42,566.40 = 18,098.93 : x
  2. Step 2: Convert to fraction form
    30,847.08/42,566.40 = 18,098.93/x
  3. Step 3: Cross multiply
    30,847.08x = 42,566.40 × 18,098.93
  4. Step 4: Simplify right side
    30,847.08x = 770,406,293.95
  5. Step 5: Solve for x
    x = 770,406,293.95/30,847.08
  6. Step 6: Final answer
    x = 24,975.02

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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.