Home / 37,342.07-51,531.62-21,429.02

Finding the Fourth Proportional to 37,342.07, 51,531.62 and 21,429.02

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Solution

The fourth proportional to 37,342.07, 51,531.62 and 21,429.02 is: 29,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,342.07 : 51,531.62 = 21,429.02 : x
  2. Step 2: Convert to fraction form
    37,342.07/51,531.62 = 21,429.02/x
  3. Step 3: Cross multiply
    37,342.07x = 51,531.62 × 21,429.02
  4. Step 4: Simplify right side
    37,342.07x = 1,104,271,750.81
  5. Step 5: Solve for x
    x = 1,104,271,750.81/37,342.07
  6. Step 6: Final answer
    x = 29,571.79

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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.