Home / 30,091.02-45,140.73-12,556.83

Finding the Fourth Proportional to 30,091.02, 45,140.73 and 12,556.83

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Solution

The fourth proportional to 30,091.02, 45,140.73 and 12,556.83 is: 18,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.02 : 45,140.73 = 12,556.83 : x
  2. Step 2: Convert to fraction form
    30,091.02/45,140.73 = 12,556.83/x
  3. Step 3: Cross multiply
    30,091.02x = 45,140.73 × 12,556.83
  4. Step 4: Simplify right side
    30,091.02x = 566,824,472.69
  5. Step 5: Solve for x
    x = 566,824,472.69/30,091.02
  6. Step 6: Final answer
    x = 18,837.00

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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.