Home / 30,305.76-45,477.57-11,587.38

Finding the Fourth Proportional to 30,305.76, 45,477.57 and 11,587.38

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Solution

The fourth proportional to 30,305.76, 45,477.57 and 11,587.38 is: 17,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.76 : 45,477.57 = 11,587.38 : x
  2. Step 2: Convert to fraction form
    30,305.76/45,477.57 = 11,587.38/x
  3. Step 3: Cross multiply
    30,305.76x = 45,477.57 × 11,587.38
  4. Step 4: Simplify right side
    30,305.76x = 526,965,885.07
  5. Step 5: Solve for x
    x = 526,965,885.07/30,305.76
  6. Step 6: Final answer
    x = 17,388.31

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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.