Home / 20,389.33-30,576.66-7,058.71

Finding the Fourth Proportional to 20,389.33, 30,576.66 and 7,058.71

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Solution

The fourth proportional to 20,389.33, 30,576.66 and 7,058.71 is: 10,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.33 : 30,576.66 = 7,058.71 : x
  2. Step 2: Convert to fraction form
    20,389.33/30,576.66 = 7,058.71/x
  3. Step 3: Cross multiply
    20,389.33x = 30,576.66 × 7,058.71
  4. Step 4: Simplify right side
    20,389.33x = 215,831,775.71
  5. Step 5: Solve for x
    x = 215,831,775.71/20,389.33
  6. Step 6: Final answer
    x = 10,585.53

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1.5x scale

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.