Home / 36,688.63-55,025.25-10,386.31

Finding the Fourth Proportional to 36,688.63, 55,025.25 and 10,386.31

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Solution

The fourth proportional to 36,688.63, 55,025.25 and 10,386.31 is: 15,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.63 : 55,025.25 = 10,386.31 : x
  2. Step 2: Convert to fraction form
    36,688.63/55,025.25 = 10,386.31/x
  3. Step 3: Cross multiply
    36,688.63x = 55,025.25 × 10,386.31
  4. Step 4: Simplify right side
    36,688.63x = 571,509,304.33
  5. Step 5: Solve for x
    x = 571,509,304.33/36,688.63
  6. Step 6: Final answer
    x = 15,577.29

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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.