Home / 37,312.90-55,969.01-15,121

Finding the Fourth Proportional to 37,312.90, 55,969.01 and 15,121

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Solution

The fourth proportional to 37,312.90, 55,969.01 and 15,121 is: 22,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.90 : 55,969.01 = 15,121 : x
  2. Step 2: Convert to fraction form
    37,312.90/55,969.01 = 15,121/x
  3. Step 3: Cross multiply
    37,312.90x = 55,969.01 × 15,121
  4. Step 4: Simplify right side
    37,312.90x = 846,307,400.21
  5. Step 5: Solve for x
    x = 846,307,400.21/37,312.90
  6. Step 6: Final answer
    x = 22,681.36

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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.