Home / 49,897.90-74,802.82-20,340.46

Finding the Fourth Proportional to 49,897.90, 74,802.82 and 20,340.46

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Solution

The fourth proportional to 49,897.90, 74,802.82 and 20,340.46 is: 30,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.90 : 74,802.82 = 20,340.46 : x
  2. Step 2: Convert to fraction form
    49,897.90/74,802.82 = 20,340.46/x
  3. Step 3: Cross multiply
    49,897.90x = 74,802.82 × 20,340.46
  4. Step 4: Simplify right side
    49,897.90x = 1,521,523,768.10
  5. Step 5: Solve for x
    x = 1,521,523,768.10/49,897.90
  6. Step 6: Final answer
    x = 30,492.74

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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.