Home / 64,076.48-96,085.44-19,687.76

Finding the Fourth Proportional to 64,076.48, 96,085.44 and 19,687.76

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Solution

The fourth proportional to 64,076.48, 96,085.44 and 19,687.76 is: 29,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,076.48 : 96,085.44 = 19,687.76 : x
  2. Step 2: Convert to fraction form
    64,076.48/96,085.44 = 19,687.76/x
  3. Step 3: Cross multiply
    64,076.48x = 96,085.44 × 19,687.76
  4. Step 4: Simplify right side
    64,076.48x = 1,891,707,082.21
  5. Step 5: Solve for x
    x = 1,891,707,082.21/64,076.48
  6. Step 6: Final answer
    x = 29,522.64

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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.