Home / 53,940.22-74,438.47-30,064.32

Finding the Fourth Proportional to 53,940.22, 74,438.47 and 30,064.32

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Solution

The fourth proportional to 53,940.22, 74,438.47 and 30,064.32 is: 41,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.22 : 74,438.47 = 30,064.32 : x
  2. Step 2: Convert to fraction form
    53,940.22/74,438.47 = 30,064.32/x
  3. Step 3: Cross multiply
    53,940.22x = 74,438.47 × 30,064.32
  4. Step 4: Simplify right side
    53,940.22x = 2,237,941,982.39
  5. Step 5: Solve for x
    x = 2,237,941,982.39/53,940.22
  6. Step 6: Final answer
    x = 41,489.30

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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.