Home / 51,342.84-77,189.94-47,495.16

Finding the Fourth Proportional to 51,342.84, 77,189.94 and 47,495.16

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Solution

The fourth proportional to 51,342.84, 77,189.94 and 47,495.16 is: 71,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.84 : 77,189.94 = 47,495.16 : x
  2. Step 2: Convert to fraction form
    51,342.84/77,189.94 = 47,495.16/x
  3. Step 3: Cross multiply
    51,342.84x = 77,189.94 × 47,495.16
  4. Step 4: Simplify right side
    51,342.84x = 3,666,148,550.69
  5. Step 5: Solve for x
    x = 3,666,148,550.69/51,342.84
  6. Step 6: Final answer
    x = 71,405.25

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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.