Home / 51,459.35-77,225.94-21,897.95

Finding the Fourth Proportional to 51,459.35, 77,225.94 and 21,897.95

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Solution

The fourth proportional to 51,459.35, 77,225.94 and 21,897.95 is: 32,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.35 : 77,225.94 = 21,897.95 : x
  2. Step 2: Convert to fraction form
    51,459.35/77,225.94 = 21,897.95/x
  3. Step 3: Cross multiply
    51,459.35x = 77,225.94 × 21,897.95
  4. Step 4: Simplify right side
    51,459.35x = 1,691,089,386.69
  5. Step 5: Solve for x
    x = 1,691,089,386.69/51,459.35
  6. Step 6: Final answer
    x = 32,862.63

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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.