Home / 39,390.54-59,058.13-14,427.35

Finding the Fourth Proportional to 39,390.54, 59,058.13 and 14,427.35

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Solution

The fourth proportional to 39,390.54, 59,058.13 and 14,427.35 is: 21,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.54 : 59,058.13 = 14,427.35 : x
  2. Step 2: Convert to fraction form
    39,390.54/59,058.13 = 14,427.35/x
  3. Step 3: Cross multiply
    39,390.54x = 59,058.13 × 14,427.35
  4. Step 4: Simplify right side
    39,390.54x = 852,051,944.43
  5. Step 5: Solve for x
    x = 852,051,944.43/39,390.54
  6. Step 6: Final answer
    x = 21,630.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.