Home / 39,514.02-54,528.96-21,608.85

Finding the Fourth Proportional to 39,514.02, 54,528.96 and 21,608.85

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Solution

The fourth proportional to 39,514.02, 54,528.96 and 21,608.85 is: 29,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.02 : 54,528.96 = 21,608.85 : x
  2. Step 2: Convert to fraction form
    39,514.02/54,528.96 = 21,608.85/x
  3. Step 3: Cross multiply
    39,514.02x = 54,528.96 × 21,608.85
  4. Step 4: Simplify right side
    39,514.02x = 1,178,308,117.30
  5. Step 5: Solve for x
    x = 1,178,308,117.30/39,514.02
  6. Step 6: Final answer
    x = 29,820.00

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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.