Home / 77,514.22-116,274.12-21,358.72

Finding the Fourth Proportional to 77,514.22, 116,274.12 and 21,358.72

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Solution

The fourth proportional to 77,514.22, 116,274.12 and 21,358.72 is: 32,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514.22 : 116,274.12 = 21,358.72 : x
  2. Step 2: Convert to fraction form
    77,514.22/116,274.12 = 21,358.72/x
  3. Step 3: Cross multiply
    77,514.22x = 116,274.12 × 21,358.72
  4. Step 4: Simplify right side
    77,514.22x = 2,483,466,372.33
  5. Step 5: Solve for x
    x = 2,483,466,372.33/77,514.22
  6. Step 6: Final answer
    x = 32,038.85

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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.