Home / 33,670.80-46,495.08-21,117.20

Finding the Fourth Proportional to 33,670.80, 46,495.08 and 21,117.20

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Solution

The fourth proportional to 33,670.80, 46,495.08 and 21,117.20 is: 29,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,670.80 : 46,495.08 = 21,117.20 : x
  2. Step 2: Convert to fraction form
    33,670.80/46,495.08 = 21,117.20/x
  3. Step 3: Cross multiply
    33,670.80x = 46,495.08 × 21,117.20
  4. Step 4: Simplify right side
    33,670.80x = 981,845,903.38
  5. Step 5: Solve for x
    x = 981,845,903.38/33,670.80
  6. Step 6: Final answer
    x = 29,160.16

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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.