Home / 33,490.56-46,220.64-21,402.08

Finding the Fourth Proportional to 33,490.56, 46,220.64 and 21,402.08

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Solution

The fourth proportional to 33,490.56, 46,220.64 and 21,402.08 is: 29,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,490.56 : 46,220.64 = 21,402.08 : x
  2. Step 2: Convert to fraction form
    33,490.56/46,220.64 = 21,402.08/x
  3. Step 3: Cross multiply
    33,490.56x = 46,220.64 × 21,402.08
  4. Step 4: Simplify right side
    33,490.56x = 989,217,834.93
  5. Step 5: Solve for x
    x = 989,217,834.93/33,490.56
  6. Step 6: Final answer
    x = 29,537.21

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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.