Home / 39,556.04-54,585.99-21,650.67

Finding the Fourth Proportional to 39,556.04, 54,585.99 and 21,650.67

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Solution

The fourth proportional to 39,556.04, 54,585.99 and 21,650.67 is: 29,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.04 : 54,585.99 = 21,650.67 : x
  2. Step 2: Convert to fraction form
    39,556.04/54,585.99 = 21,650.67/x
  3. Step 3: Cross multiply
    39,556.04x = 54,585.99 × 21,650.67
  4. Step 4: Simplify right side
    39,556.04x = 1,181,823,256.11
  5. Step 5: Solve for x
    x = 1,181,823,256.11/39,556.04
  6. Step 6: Final answer
    x = 29,877.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.