Home / 58,853.21-81,219.02-31,997.57

Finding the Fourth Proportional to 58,853.21, 81,219.02 and 31,997.57

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Solution

The fourth proportional to 58,853.21, 81,219.02 and 31,997.57 is: 44,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,853.21 : 81,219.02 = 31,997.57 : x
  2. Step 2: Convert to fraction form
    58,853.21/81,219.02 = 31,997.57/x
  3. Step 3: Cross multiply
    58,853.21x = 81,219.02 × 31,997.57
  4. Step 4: Simplify right side
    58,853.21x = 2,598,810,711.70
  5. Step 5: Solve for x
    x = 2,598,810,711.70/58,853.21
  6. Step 6: Final answer
    x = 44,157.51

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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.