Home / 30,858.26-42,552.54-26,396.78

Finding the Fourth Proportional to 30,858.26, 42,552.54 and 26,396.78

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Solution

The fourth proportional to 30,858.26, 42,552.54 and 26,396.78 is: 36,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.26 : 42,552.54 = 26,396.78 : x
  2. Step 2: Convert to fraction form
    30,858.26/42,552.54 = 26,396.78/x
  3. Step 3: Cross multiply
    30,858.26x = 42,552.54 × 26,396.78
  4. Step 4: Simplify right side
    30,858.26x = 1,123,249,824.06
  5. Step 5: Solve for x
    x = 1,123,249,824.06/30,858.26
  6. Step 6: Final answer
    x = 36,400.30

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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.