Home / 33,809.89-46,654.50-18,702.15

Finding the Fourth Proportional to 33,809.89, 46,654.50 and 18,702.15

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Solution

The fourth proportional to 33,809.89, 46,654.50 and 18,702.15 is: 25,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.89 : 46,654.50 = 18,702.15 : x
  2. Step 2: Convert to fraction form
    33,809.89/46,654.50 = 18,702.15/x
  3. Step 3: Cross multiply
    33,809.89x = 46,654.50 × 18,702.15
  4. Step 4: Simplify right side
    33,809.89x = 872,539,457.18
  5. Step 5: Solve for x
    x = 872,539,457.18/33,809.89
  6. Step 6: Final answer
    x = 25,807.23

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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.