Home / 33,780.34-46,621.50-19,439.88

Finding the Fourth Proportional to 33,780.34, 46,621.50 and 19,439.88

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Solution

The fourth proportional to 33,780.34, 46,621.50 and 19,439.88 is: 26,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.34 : 46,621.50 = 19,439.88 : x
  2. Step 2: Convert to fraction form
    33,780.34/46,621.50 = 19,439.88/x
  3. Step 3: Cross multiply
    33,780.34x = 46,621.50 × 19,439.88
  4. Step 4: Simplify right side
    33,780.34x = 906,316,365.42
  5. Step 5: Solve for x
    x = 906,316,365.42/33,780.34
  6. Step 6: Final answer
    x = 26,829.70

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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.