Home / 51,420.26-77,132.07-17,685.93

Finding the Fourth Proportional to 51,420.26, 77,132.07 and 17,685.93

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Solution

The fourth proportional to 51,420.26, 77,132.07 and 17,685.93 is: 26,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.26 : 77,132.07 = 17,685.93 : x
  2. Step 2: Convert to fraction form
    51,420.26/77,132.07 = 17,685.93/x
  3. Step 3: Cross multiply
    51,420.26x = 77,132.07 × 17,685.93
  4. Step 4: Simplify right side
    51,420.26x = 1,364,152,390.78
  5. Step 5: Solve for x
    x = 1,364,152,390.78/51,420.26
  6. Step 6: Final answer
    x = 26,529.47

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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.