Home / 53,891.33-74,373.80-30,018.40

Finding the Fourth Proportional to 53,891.33, 74,373.80 and 30,018.40

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Solution

The fourth proportional to 53,891.33, 74,373.80 and 30,018.40 is: 41,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.33 : 74,373.80 = 30,018.40 : x
  2. Step 2: Convert to fraction form
    53,891.33/74,373.80 = 30,018.40/x
  3. Step 3: Cross multiply
    53,891.33x = 74,373.80 × 30,018.40
  4. Step 4: Simplify right side
    53,891.33x = 2,232,582,141.89
  5. Step 5: Solve for x
    x = 2,232,582,141.89/53,891.33
  6. Step 6: Final answer
    x = 41,427.49

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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.