Home / 42,780.68-59,039.25-23,917.80

Finding the Fourth Proportional to 42,780.68, 59,039.25 and 23,917.80

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Solution

The fourth proportional to 42,780.68, 59,039.25 and 23,917.80 is: 33,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,780.68 : 59,039.25 = 23,917.80 : x
  2. Step 2: Convert to fraction form
    42,780.68/59,039.25 = 23,917.80/x
  3. Step 3: Cross multiply
    42,780.68x = 59,039.25 × 23,917.80
  4. Step 4: Simplify right side
    42,780.68x = 1,412,088,973.65
  5. Step 5: Solve for x
    x = 1,412,088,973.65/42,780.68
  6. Step 6: Final answer
    x = 33,007.64

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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.