Home / 51,612.98-77,419.60-14,173.58

Finding the Fourth Proportional to 51,612.98, 77,419.60 and 14,173.58

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Solution

The fourth proportional to 51,612.98, 77,419.60 and 14,173.58 is: 21,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.98 : 77,419.60 = 14,173.58 : x
  2. Step 2: Convert to fraction form
    51,612.98/77,419.60 = 14,173.58/x
  3. Step 3: Cross multiply
    51,612.98x = 77,419.60 × 14,173.58
  4. Step 4: Simplify right side
    51,612.98x = 1,097,312,894.17
  5. Step 5: Solve for x
    x = 1,097,312,894.17/51,612.98
  6. Step 6: Final answer
    x = 21,260.41

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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.