Home / 35,690.67-49,253.04-19,775.16

Finding the Fourth Proportional to 35,690.67, 49,253.04 and 19,775.16

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Solution

The fourth proportional to 35,690.67, 49,253.04 and 19,775.16 is: 27,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.67 : 49,253.04 = 19,775.16 : x
  2. Step 2: Convert to fraction form
    35,690.67/49,253.04 = 19,775.16/x
  3. Step 3: Cross multiply
    35,690.67x = 49,253.04 × 19,775.16
  4. Step 4: Simplify right side
    35,690.67x = 973,986,746.49
  5. Step 5: Solve for x
    x = 973,986,746.49/35,690.67
  6. Step 6: Final answer
    x = 27,289.67

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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.