Home / 64,887.56-97,330.73-20,514.31

Finding the Fourth Proportional to 64,887.56, 97,330.73 and 20,514.31

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Solution

The fourth proportional to 64,887.56, 97,330.73 and 20,514.31 is: 30,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.56 : 97,330.73 = 20,514.31 : x
  2. Step 2: Convert to fraction form
    64,887.56/97,330.73 = 20,514.31/x
  3. Step 3: Cross multiply
    64,887.56x = 97,330.73 × 20,514.31
  4. Step 4: Simplify right side
    64,887.56x = 1,996,672,421.85
  5. Step 5: Solve for x
    x = 1,996,672,421.85/64,887.56
  6. Step 6: Final answer
    x = 30,771.27

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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.