Home / 65,637.76-90,576.96-37,340.80

Finding the Fourth Proportional to 65,637.76, 90,576.96 and 37,340.80

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Solution

The fourth proportional to 65,637.76, 90,576.96 and 37,340.80 is: 51,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637.76 : 90,576.96 = 37,340.80 : x
  2. Step 2: Convert to fraction form
    65,637.76/90,576.96 = 37,340.80/x
  3. Step 3: Cross multiply
    65,637.76x = 90,576.96 × 37,340.80
  4. Step 4: Simplify right side
    65,637.76x = 3,382,216,147.97
  5. Step 5: Solve for x
    x = 3,382,216,147.97/65,637.76
  6. Step 6: Final answer
    x = 51,528.51

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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.