Home / 20,030.25-30,045.78-6,179.25

Finding the Fourth Proportional to 20,030.25, 30,045.78 and 6,179.25

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Solution

The fourth proportional to 20,030.25, 30,045.78 and 6,179.25 is: 9,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.25 : 30,045.78 = 6,179.25 : x
  2. Step 2: Convert to fraction form
    20,030.25/30,045.78 = 6,179.25/x
  3. Step 3: Cross multiply
    20,030.25x = 30,045.78 × 6,179.25
  4. Step 4: Simplify right side
    20,030.25x = 185,660,386.07
  5. Step 5: Solve for x
    x = 185,660,386.07/20,030.25
  6. Step 6: Final answer
    x = 9,269.00

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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.