Home / 53,903.06-74,386.31-30,030.58

Finding the Fourth Proportional to 53,903.06, 74,386.31 and 30,030.58

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Solution

The fourth proportional to 53,903.06, 74,386.31 and 30,030.58 is: 41,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.06 : 74,386.31 = 30,030.58 : x
  2. Step 2: Convert to fraction form
    53,903.06/74,386.31 = 30,030.58/x
  3. Step 3: Cross multiply
    53,903.06x = 74,386.31 × 30,030.58
  4. Step 4: Simplify right side
    53,903.06x = 2,233,864,033.36
  5. Step 5: Solve for x
    x = 2,233,864,033.36/53,903.06
  6. Step 6: Final answer
    x = 41,442.25

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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.