Home / 33,430.49-46,155.04-21,514.52

Finding the Fourth Proportional to 33,430.49, 46,155.04 and 21,514.52

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Solution

The fourth proportional to 33,430.49, 46,155.04 and 21,514.52 is: 29,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.49 : 46,155.04 = 21,514.52 : x
  2. Step 2: Convert to fraction form
    33,430.49/46,155.04 = 21,514.52/x
  3. Step 3: Cross multiply
    33,430.49x = 46,155.04 × 21,514.52
  4. Step 4: Simplify right side
    33,430.49x = 993,003,531.18
  5. Step 5: Solve for x
    x = 993,003,531.18/33,430.49
  6. Step 6: Final answer
    x = 29,703.53

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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.