Home / 51,675.71-71,312.52-30,180.11

Finding the Fourth Proportional to 51,675.71, 71,312.52 and 30,180.11

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Solution

The fourth proportional to 51,675.71, 71,312.52 and 30,180.11 is: 41,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.71 : 71,312.52 = 30,180.11 : x
  2. Step 2: Convert to fraction form
    51,675.71/71,312.52 = 30,180.11/x
  3. Step 3: Cross multiply
    51,675.71x = 71,312.52 × 30,180.11
  4. Step 4: Simplify right side
    51,675.71x = 2,152,219,697.98
  5. Step 5: Solve for x
    x = 2,152,219,697.98/51,675.71
  6. Step 6: Final answer
    x = 41,648.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.