Home / 53,930.18-74,424.02-30,058.39

Finding the Fourth Proportional to 53,930.18, 74,424.02 and 30,058.39

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Solution

The fourth proportional to 53,930.18, 74,424.02 and 30,058.39 is: 41,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.18 : 74,424.02 = 30,058.39 : x
  2. Step 2: Convert to fraction form
    53,930.18/74,424.02 = 30,058.39/x
  3. Step 3: Cross multiply
    53,930.18x = 74,424.02 × 30,058.39
  4. Step 4: Simplify right side
    53,930.18x = 2,237,066,161.27
  5. Step 5: Solve for x
    x = 2,237,066,161.27/53,930.18
  6. Step 6: Final answer
    x = 41,480.78

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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.