Home / 30,556.04-45,800.64-13,911.75

Finding the Fourth Proportional to 30,556.04, 45,800.64 and 13,911.75

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Solution

The fourth proportional to 30,556.04, 45,800.64 and 13,911.75 is: 20,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.04 : 45,800.64 = 13,911.75 : x
  2. Step 2: Convert to fraction form
    30,556.04/45,800.64 = 13,911.75/x
  3. Step 3: Cross multiply
    30,556.04x = 45,800.64 × 13,911.75
  4. Step 4: Simplify right side
    30,556.04x = 637,167,053.52
  5. Step 5: Solve for x
    x = 637,167,053.52/30,556.04
  6. Step 6: Final answer
    x = 20,852.41

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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.