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Finding the Fourth Proportional to 59,383.82, 89,085.54 and 28,208.54

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Solution

The fourth proportional to 59,383.82, 89,085.54 and 28,208.54 is: 42,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,383.82 : 89,085.54 = 28,208.54 : x
  2. Step 2: Convert to fraction form
    59,383.82/89,085.54 = 28,208.54/x
  3. Step 3: Cross multiply
    59,383.82x = 89,085.54 × 28,208.54
  4. Step 4: Simplify right side
    59,383.82x = 2,512,973,018.51
  5. Step 5: Solve for x
    x = 2,512,973,018.51/59,383.82
  6. Step 6: Final answer
    x = 42,317.47

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1.5x scale

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.