Home / 30,906.55-42,618.99-26,445.07

Finding the Fourth Proportional to 30,906.55, 42,618.99 and 26,445.07

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Solution

The fourth proportional to 30,906.55, 42,618.99 and 26,445.07 is: 36,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.55 : 42,618.99 = 26,445.07 : x
  2. Step 2: Convert to fraction form
    30,906.55/42,618.99 = 26,445.07/x
  3. Step 3: Cross multiply
    30,906.55x = 42,618.99 × 26,445.07
  4. Step 4: Simplify right side
    30,906.55x = 1,127,062,173.88
  5. Step 5: Solve for x
    x = 1,127,062,173.88/30,906.55
  6. Step 6: Final answer
    x = 36,466.77

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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.