Home / 53,891.68-74,367.84-30,020.80

Finding the Fourth Proportional to 53,891.68, 74,367.84 and 30,020.80

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Solution

The fourth proportional to 53,891.68, 74,367.84 and 30,020.80 is: 41,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.68 : 74,367.84 = 30,020.80 : x
  2. Step 2: Convert to fraction form
    53,891.68/74,367.84 = 30,020.80/x
  3. Step 3: Cross multiply
    53,891.68x = 74,367.84 × 30,020.80
  4. Step 4: Simplify right side
    53,891.68x = 2,232,582,051.07
  5. Step 5: Solve for x
    x = 2,232,582,051.07/53,891.68
  6. Step 6: Final answer
    x = 41,427.21

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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.