Home / 47,666.56-65,782.80-27,527.20

Finding the Fourth Proportional to 47,666.56, 65,782.80 and 27,527.20

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Solution

The fourth proportional to 47,666.56, 65,782.80 and 27,527.20 is: 37,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.56 : 65,782.80 = 27,527.20 : x
  2. Step 2: Convert to fraction form
    47,666.56/65,782.80 = 27,527.20/x
  3. Step 3: Cross multiply
    47,666.56x = 65,782.80 × 27,527.20
  4. Step 4: Simplify right side
    47,666.56x = 1,810,816,292.16
  5. Step 5: Solve for x
    x = 1,810,816,292.16/47,666.56
  6. Step 6: Final answer
    x = 37,989.24

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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.