Home / 45,663.51-68,495.10-12,383.49

Finding the Fourth Proportional to 45,663.51, 68,495.10 and 12,383.49

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Solution

The fourth proportional to 45,663.51, 68,495.10 and 12,383.49 is: 18,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.51 : 68,495.10 = 12,383.49 : x
  2. Step 2: Convert to fraction form
    45,663.51/68,495.10 = 12,383.49/x
  3. Step 3: Cross multiply
    45,663.51x = 68,495.10 × 12,383.49
  4. Step 4: Simplify right side
    45,663.51x = 848,208,385.90
  5. Step 5: Solve for x
    x = 848,208,385.90/45,663.51
  6. Step 6: Final answer
    x = 18,575.19

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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.