Home / 47,021.68-70,514.72-18,932.16

Finding the Fourth Proportional to 47,021.68, 70,514.72 and 18,932.16

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Solution

The fourth proportional to 47,021.68, 70,514.72 and 18,932.16 is: 28,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.68 : 70,514.72 = 18,932.16 : x
  2. Step 2: Convert to fraction form
    47,021.68/70,514.72 = 18,932.16/x
  3. Step 3: Cross multiply
    47,021.68x = 70,514.72 × 18,932.16
  4. Step 4: Simplify right side
    47,021.68x = 1,334,995,961.40
  5. Step 5: Solve for x
    x = 1,334,995,961.40/47,021.68
  6. Step 6: Final answer
    x = 28,391.07

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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.