Home / 48,005.76-66,218.82-30,983.28

Finding the Fourth Proportional to 48,005.76, 66,218.82 and 30,983.28

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Solution

The fourth proportional to 48,005.76, 66,218.82 and 30,983.28 is: 42,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.76 : 66,218.82 = 30,983.28 : x
  2. Step 2: Convert to fraction form
    48,005.76/66,218.82 = 30,983.28/x
  3. Step 3: Cross multiply
    48,005.76x = 66,218.82 × 30,983.28
  4. Step 4: Simplify right side
    48,005.76x = 2,051,676,241.33
  5. Step 5: Solve for x
    x = 2,051,676,241.33/48,005.76
  6. Step 6: Final answer
    x = 42,738.13

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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.