Home / 30,587.05-45,849.59-20,727.33

Finding the Fourth Proportional to 30,587.05, 45,849.59 and 20,727.33

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Solution

The fourth proportional to 30,587.05, 45,849.59 and 20,727.33 is: 31,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.05 : 45,849.59 = 20,727.33 : x
  2. Step 2: Convert to fraction form
    30,587.05/45,849.59 = 20,727.33/x
  3. Step 3: Cross multiply
    30,587.05x = 45,849.59 × 20,727.33
  4. Step 4: Simplify right side
    30,587.05x = 950,339,582.29
  5. Step 5: Solve for x
    x = 950,339,582.29/30,587.05
  6. Step 6: Final answer
    x = 31,070.00

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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.