Home / 55,582.09-76,702.70-30,087.99

Finding the Fourth Proportional to 55,582.09, 76,702.70 and 30,087.99

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Solution

The fourth proportional to 55,582.09, 76,702.70 and 30,087.99 is: 41,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.09 : 76,702.70 = 30,087.99 : x
  2. Step 2: Convert to fraction form
    55,582.09/76,702.70 = 30,087.99/x
  3. Step 3: Cross multiply
    55,582.09x = 76,702.70 × 30,087.99
  4. Step 4: Simplify right side
    55,582.09x = 2,307,830,490.54
  5. Step 5: Solve for x
    x = 2,307,830,490.54/55,582.09
  6. Step 6: Final answer
    x = 41,521.12

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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.