Home / 51,419.26-77,130.57-17,684.93

Finding the Fourth Proportional to 51,419.26, 77,130.57 and 17,684.93

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Solution

The fourth proportional to 51,419.26, 77,130.57 and 17,684.93 is: 26,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419.26 : 77,130.57 = 17,684.93 : x
  2. Step 2: Convert to fraction form
    51,419.26/77,130.57 = 17,684.93/x
  3. Step 3: Cross multiply
    51,419.26x = 77,130.57 × 17,684.93
  4. Step 4: Simplify right side
    51,419.26x = 1,364,048,978.02
  5. Step 5: Solve for x
    x = 1,364,048,978.02/51,419.26
  6. Step 6: Final answer
    x = 26,527.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.