Home / 48,824.09-67,384.43-30,920.76

Finding the Fourth Proportional to 48,824.09, 67,384.43 and 30,920.76

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Solution

The fourth proportional to 48,824.09, 67,384.43 and 30,920.76 is: 42,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,824.09 : 67,384.43 = 30,920.76 : x
  2. Step 2: Convert to fraction form
    48,824.09/67,384.43 = 30,920.76/x
  3. Step 3: Cross multiply
    48,824.09x = 67,384.43 × 30,920.76
  4. Step 4: Simplify right side
    48,824.09x = 2,083,577,865.07
  5. Step 5: Solve for x
    x = 2,083,577,865.07/48,824.09
  6. Step 6: Final answer
    x = 42,675.20

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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.