Home / 39,646.95-54,714.05-21,741.91

Finding the Fourth Proportional to 39,646.95, 54,714.05 and 21,741.91

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Solution

The fourth proportional to 39,646.95, 54,714.05 and 21,741.91 is: 30,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.95 : 54,714.05 = 21,741.91 : x
  2. Step 2: Convert to fraction form
    39,646.95/54,714.05 = 21,741.91/x
  3. Step 3: Cross multiply
    39,646.95x = 54,714.05 × 21,741.91
  4. Step 4: Simplify right side
    39,646.95x = 1,189,587,814.05
  5. Step 5: Solve for x
    x = 1,189,587,814.05/39,646.95
  6. Step 6: Final answer
    x = 30,004.53

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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.