Home / 34,429.88-51,378.65-30,702.39

Finding the Fourth Proportional to 34,429.88, 51,378.65 and 30,702.39

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Solution

The fourth proportional to 34,429.88, 51,378.65 and 30,702.39 is: 45,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,429.88 : 51,378.65 = 30,702.39 : x
  2. Step 2: Convert to fraction form
    34,429.88/51,378.65 = 30,702.39/x
  3. Step 3: Cross multiply
    34,429.88x = 51,378.65 × 30,702.39
  4. Step 4: Simplify right side
    34,429.88x = 1,577,447,196.46
  5. Step 5: Solve for x
    x = 1,577,447,196.46/34,429.88
  6. Step 6: Final answer
    x = 45,816.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.