Home / 51,827.74-77,741.57-14,387.79

Finding the Fourth Proportional to 51,827.74, 77,741.57 and 14,387.79

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Solution

The fourth proportional to 51,827.74, 77,741.57 and 14,387.79 is: 21,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,827.74 : 77,741.57 = 14,387.79 : x
  2. Step 2: Convert to fraction form
    51,827.74/77,741.57 = 14,387.79/x
  3. Step 3: Cross multiply
    51,827.74x = 77,741.57 × 14,387.79
  4. Step 4: Simplify right side
    51,827.74x = 1,118,528,922.78
  5. Step 5: Solve for x
    x = 1,118,528,922.78/51,827.74
  6. Step 6: Final answer
    x = 21,581.67

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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.