Home / 35,128.88-48,478.24-19,212.99

Finding the Fourth Proportional to 35,128.88, 48,478.24 and 19,212.99

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Solution

The fourth proportional to 35,128.88, 48,478.24 and 19,212.99 is: 26,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.88 : 48,478.24 = 19,212.99 : x
  2. Step 2: Convert to fraction form
    35,128.88/48,478.24 = 19,212.99/x
  3. Step 3: Cross multiply
    35,128.88x = 48,478.24 × 19,212.99
  4. Step 4: Simplify right side
    35,128.88x = 931,411,940.34
  5. Step 5: Solve for x
    x = 931,411,940.34/35,128.88
  6. Step 6: Final answer
    x = 26,514.14

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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.