Home / 35,605.36-49,135.31-20,492.50

Finding the Fourth Proportional to 35,605.36, 49,135.31 and 20,492.50

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Solution

The fourth proportional to 35,605.36, 49,135.31 and 20,492.50 is: 28,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.36 : 49,135.31 = 20,492.50 : x
  2. Step 2: Convert to fraction form
    35,605.36/49,135.31 = 20,492.50/x
  3. Step 3: Cross multiply
    35,605.36x = 49,135.31 × 20,492.50
  4. Step 4: Simplify right side
    35,605.36x = 1,006,905,237.71
  5. Step 5: Solve for x
    x = 1,006,905,237.71/35,605.36
  6. Step 6: Final answer
    x = 28,279.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.