Home / 35,189.76-48,556.08-20,082.45

Finding the Fourth Proportional to 35,189.76, 48,556.08 and 20,082.45

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Solution

The fourth proportional to 35,189.76, 48,556.08 and 20,082.45 is: 27,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.76 : 48,556.08 = 20,082.45 : x
  2. Step 2: Convert to fraction form
    35,189.76/48,556.08 = 20,082.45/x
  3. Step 3: Cross multiply
    35,189.76x = 48,556.08 × 20,082.45
  4. Step 4: Simplify right side
    35,189.76x = 975,125,048.80
  5. Step 5: Solve for x
    x = 975,125,048.80/35,189.76
  6. Step 6: Final answer
    x = 27,710.48

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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.