Home / 20,071.40-30,108.66-6,030.33

Finding the Fourth Proportional to 20,071.40, 30,108.66 and 6,030.33

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Solution

The fourth proportional to 20,071.40, 30,108.66 and 6,030.33 is: 9,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.40 : 30,108.66 = 6,030.33 : x
  2. Step 2: Convert to fraction form
    20,071.40/30,108.66 = 6,030.33/x
  3. Step 3: Cross multiply
    20,071.40x = 30,108.66 × 6,030.33
  4. Step 4: Simplify right side
    20,071.40x = 181,565,155.66
  5. Step 5: Solve for x
    x = 181,565,155.66/20,071.40
  6. Step 6: Final answer
    x = 9,045.97

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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.