Home / 37,659.74-51,968.21-21,528.80

Finding the Fourth Proportional to 37,659.74, 51,968.21 and 21,528.80

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Solution

The fourth proportional to 37,659.74, 51,968.21 and 21,528.80 is: 29,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.74 : 51,968.21 = 21,528.80 : x
  2. Step 2: Convert to fraction form
    37,659.74/51,968.21 = 21,528.80/x
  3. Step 3: Cross multiply
    37,659.74x = 51,968.21 × 21,528.80
  4. Step 4: Simplify right side
    37,659.74x = 1,118,812,831.96
  5. Step 5: Solve for x
    x = 1,118,812,831.96/37,659.74
  6. Step 6: Final answer
    x = 29,708.46

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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.