Home / 36,683.76-55,029.29-13,312.02

Finding the Fourth Proportional to 36,683.76, 55,029.29 and 13,312.02

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Solution

The fourth proportional to 36,683.76, 55,029.29 and 13,312.02 is: 19,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.76 : 55,029.29 = 13,312.02 : x
  2. Step 2: Convert to fraction form
    36,683.76/55,029.29 = 13,312.02/x
  3. Step 3: Cross multiply
    36,683.76x = 55,029.29 × 13,312.02
  4. Step 4: Simplify right side
    36,683.76x = 732,551,009.07
  5. Step 5: Solve for x
    x = 732,551,009.07/36,683.76
  6. Step 6: Final answer
    x = 19,969.35

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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.