Home / 37,432.22-51,655.61-20,435.81

Finding the Fourth Proportional to 37,432.22, 51,655.61 and 20,435.81

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Solution

The fourth proportional to 37,432.22, 51,655.61 and 20,435.81 is: 28,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.22 : 51,655.61 = 20,435.81 : x
  2. Step 2: Convert to fraction form
    37,432.22/51,655.61 = 20,435.81/x
  3. Step 3: Cross multiply
    37,432.22x = 51,655.61 × 20,435.81
  4. Step 4: Simplify right side
    37,432.22x = 1,055,623,870.94
  5. Step 5: Solve for x
    x = 1,055,623,870.94/37,432.22
  6. Step 6: Final answer
    x = 28,200.95

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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.