Home / 47,643.12-65,749.32-35,685.36

Finding the Fourth Proportional to 47,643.12, 65,749.32 and 35,685.36

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Solution

The fourth proportional to 47,643.12, 65,749.32 and 35,685.36 is: 49,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.12 : 65,749.32 = 35,685.36 : x
  2. Step 2: Convert to fraction form
    47,643.12/65,749.32 = 35,685.36/x
  3. Step 3: Cross multiply
    47,643.12x = 65,749.32 × 35,685.36
  4. Step 4: Simplify right side
    47,643.12x = 2,346,288,153.96
  5. Step 5: Solve for x
    x = 2,346,288,153.96/47,643.12
  6. Step 6: Final answer
    x = 49,247.16

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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.