Home / 35,679.19-49,237.28-19,764.67

Finding the Fourth Proportional to 35,679.19, 49,237.28 and 19,764.67

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Solution

The fourth proportional to 35,679.19, 49,237.28 and 19,764.67 is: 27,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.19 : 49,237.28 = 19,764.67 : x
  2. Step 2: Convert to fraction form
    35,679.19/49,237.28 = 19,764.67/x
  3. Step 3: Cross multiply
    35,679.19x = 49,237.28 × 19,764.67
  4. Step 4: Simplify right side
    35,679.19x = 973,158,590.90
  5. Step 5: Solve for x
    x = 973,158,590.90/35,679.19
  6. Step 6: Final answer
    x = 27,275.24

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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.