Home / 35,606.12-49,137.65-19,689.62

Finding the Fourth Proportional to 35,606.12, 49,137.65 and 19,689.62

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Solution

The fourth proportional to 35,606.12, 49,137.65 and 19,689.62 is: 27,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.12 : 49,137.65 = 19,689.62 : x
  2. Step 2: Convert to fraction form
    35,606.12/49,137.65 = 19,689.62/x
  3. Step 3: Cross multiply
    35,606.12x = 49,137.65 × 19,689.62
  4. Step 4: Simplify right side
    35,606.12x = 967,501,312.06
  5. Step 5: Solve for x
    x = 967,501,312.06/35,606.12
  6. Step 6: Final answer
    x = 27,172.34

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1.5x scale

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.