Home / 47,529.09-65,585.64-28,405.08

Finding the Fourth Proportional to 47,529.09, 65,585.64 and 28,405.08

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Solution

The fourth proportional to 47,529.09, 65,585.64 and 28,405.08 is: 39,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.09 : 65,585.64 = 28,405.08 : x
  2. Step 2: Convert to fraction form
    47,529.09/65,585.64 = 28,405.08/x
  3. Step 3: Cross multiply
    47,529.09x = 65,585.64 × 28,405.08
  4. Step 4: Simplify right side
    47,529.09x = 1,862,965,351.05
  5. Step 5: Solve for x
    x = 1,862,965,351.05/47,529.09
  6. Step 6: Final answer
    x = 39,196.32

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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.