Home / 35,969.18-53,959.32-12,271.17

Finding the Fourth Proportional to 35,969.18, 53,959.32 and 12,271.17

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Solution

The fourth proportional to 35,969.18, 53,959.32 and 12,271.17 is: 18,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,969.18 : 53,959.32 = 12,271.17 : x
  2. Step 2: Convert to fraction form
    35,969.18/53,959.32 = 12,271.17/x
  3. Step 3: Cross multiply
    35,969.18x = 53,959.32 × 12,271.17
  4. Step 4: Simplify right side
    35,969.18x = 662,144,145.13
  5. Step 5: Solve for x
    x = 662,144,145.13/35,969.18
  6. Step 6: Final answer
    x = 18,408.65

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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.