Home / 53,903.28-74,386.51-30,031.48

Finding the Fourth Proportional to 53,903.28, 74,386.51 and 30,031.48

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Solution

The fourth proportional to 53,903.28, 74,386.51 and 30,031.48 is: 41,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.28 : 74,386.51 = 30,031.48 : x
  2. Step 2: Convert to fraction form
    53,903.28/74,386.51 = 30,031.48/x
  3. Step 3: Cross multiply
    53,903.28x = 74,386.51 × 30,031.48
  4. Step 4: Simplify right side
    53,903.28x = 2,233,936,987.33
  5. Step 5: Solve for x
    x = 2,233,936,987.33/53,903.28
  6. Step 6: Final answer
    x = 41,443.43

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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.