Home / 35,514.28-53,271.42-12,140.92

Finding the Fourth Proportional to 35,514.28, 53,271.42 and 12,140.92

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Solution

The fourth proportional to 35,514.28, 53,271.42 and 12,140.92 is: 18,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.28 : 53,271.42 = 12,140.92 : x
  2. Step 2: Convert to fraction form
    35,514.28/53,271.42 = 12,140.92/x
  3. Step 3: Cross multiply
    35,514.28x = 53,271.42 × 12,140.92
  4. Step 4: Simplify right side
    35,514.28x = 646,764,048.51
  5. Step 5: Solve for x
    x = 646,764,048.51/35,514.28
  6. Step 6: Final answer
    x = 18,211.38

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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.