Home / 20,389.05-30,580.12-5,594.51

Finding the Fourth Proportional to 20,389.05, 30,580.12 and 5,594.51

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Solution

The fourth proportional to 20,389.05, 30,580.12 and 5,594.51 is: 8,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.05 : 30,580.12 = 5,594.51 : x
  2. Step 2: Convert to fraction form
    20,389.05/30,580.12 = 5,594.51/x
  3. Step 3: Cross multiply
    20,389.05x = 30,580.12 × 5,594.51
  4. Step 4: Simplify right side
    20,389.05x = 171,080,787.14
  5. Step 5: Solve for x
    x = 171,080,787.14/20,389.05
  6. Step 6: Final answer
    x = 8,390.82

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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.