Home / 47,976.18-66,148.29-39,448.50

Finding the Fourth Proportional to 47,976.18, 66,148.29 and 39,448.50

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Solution

The fourth proportional to 47,976.18, 66,148.29 and 39,448.50 is: 54,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976.18 : 66,148.29 = 39,448.50 : x
  2. Step 2: Convert to fraction form
    47,976.18/66,148.29 = 39,448.50/x
  3. Step 3: Cross multiply
    47,976.18x = 66,148.29 × 39,448.50
  4. Step 4: Simplify right side
    47,976.18x = 2,609,450,818.07
  5. Step 5: Solve for x
    x = 2,609,450,818.07/47,976.18
  6. Step 6: Final answer
    x = 54,390.55

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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.