Home / 35,851.86-49,480.74-21,512.34

Finding the Fourth Proportional to 35,851.86, 49,480.74 and 21,512.34

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Solution

The fourth proportional to 35,851.86, 49,480.74 and 21,512.34 is: 29,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.86 : 49,480.74 = 21,512.34 : x
  2. Step 2: Convert to fraction form
    35,851.86/49,480.74 = 21,512.34/x
  3. Step 3: Cross multiply
    35,851.86x = 49,480.74 × 21,512.34
  4. Step 4: Simplify right side
    35,851.86x = 1,064,446,502.33
  5. Step 5: Solve for x
    x = 1,064,446,502.33/35,851.86
  6. Step 6: Final answer
    x = 29,690.13

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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.