Home / 47,578.19-71,368.44-15,988.71

Finding the Fourth Proportional to 47,578.19, 71,368.44 and 15,988.71

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Solution

The fourth proportional to 47,578.19, 71,368.44 and 15,988.71 is: 23,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.19 : 71,368.44 = 15,988.71 : x
  2. Step 2: Convert to fraction form
    47,578.19/71,368.44 = 15,988.71/x
  3. Step 3: Cross multiply
    47,578.19x = 71,368.44 × 15,988.71
  4. Step 4: Simplify right side
    47,578.19x = 1,141,089,290.31
  5. Step 5: Solve for x
    x = 1,141,089,290.31/47,578.19
  6. Step 6: Final answer
    x = 23,983.46

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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.