Home / 20,707.43-31,055.93-5,916.42

Finding the Fourth Proportional to 20,707.43, 31,055.93 and 5,916.42

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Solution

The fourth proportional to 20,707.43, 31,055.93 and 5,916.42 is: 8,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707.43 : 31,055.93 = 5,916.42 : x
  2. Step 2: Convert to fraction form
    20,707.43/31,055.93 = 5,916.42/x
  3. Step 3: Cross multiply
    20,707.43x = 31,055.93 × 5,916.42
  4. Step 4: Simplify right side
    20,707.43x = 183,739,895.79
  5. Step 5: Solve for x
    x = 183,739,895.79/20,707.43
  6. Step 6: Final answer
    x = 8,873.14

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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.