Home / 53,897.36-74,378.22-30,023.80

Finding the Fourth Proportional to 53,897.36, 74,378.22 and 30,023.80

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Solution

The fourth proportional to 53,897.36, 74,378.22 and 30,023.80 is: 41,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.36 : 74,378.22 = 30,023.80 : x
  2. Step 2: Convert to fraction form
    53,897.36/74,378.22 = 30,023.80/x
  3. Step 3: Cross multiply
    53,897.36x = 74,378.22 × 30,023.80
  4. Step 4: Simplify right side
    53,897.36x = 2,233,116,801.64
  5. Step 5: Solve for x
    x = 2,233,116,801.64/53,897.36
  6. Step 6: Final answer
    x = 41,432.77

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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.