Home / 45,669.29-68,503.73-12,389.27

Finding the Fourth Proportional to 45,669.29, 68,503.73 and 12,389.27

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Solution

The fourth proportional to 45,669.29, 68,503.73 and 12,389.27 is: 18,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,669.29 : 68,503.73 = 12,389.27 : x
  2. Step 2: Convert to fraction form
    45,669.29/68,503.73 = 12,389.27/x
  3. Step 3: Cross multiply
    45,669.29x = 68,503.73 × 12,389.27
  4. Step 4: Simplify right side
    45,669.29x = 848,710,802.51
  5. Step 5: Solve for x
    x = 848,710,802.51/45,669.29
  6. Step 6: Final answer
    x = 18,583.84

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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.