Home / 48,988.65-67,618.70-31,995.56

Finding the Fourth Proportional to 48,988.65, 67,618.70 and 31,995.56

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Solution

The fourth proportional to 48,988.65, 67,618.70 and 31,995.56 is: 44,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.65 : 67,618.70 = 31,995.56 : x
  2. Step 2: Convert to fraction form
    48,988.65/67,618.70 = 31,995.56/x
  3. Step 3: Cross multiply
    48,988.65x = 67,618.70 × 31,995.56
  4. Step 4: Simplify right side
    48,988.65x = 2,163,497,921.67
  5. Step 5: Solve for x
    x = 2,163,497,921.67/48,988.65
  6. Step 6: Final answer
    x = 44,163.25

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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.