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Finding the Fourth Proportional to 58,249.37, 80,411.20 and 43,915.01

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Solution

The fourth proportional to 58,249.37, 80,411.20 and 43,915.01 is: 60,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,249.37 : 80,411.20 = 43,915.01 : x
  2. Step 2: Convert to fraction form
    58,249.37/80,411.20 = 43,915.01/x
  3. Step 3: Cross multiply
    58,249.37x = 80,411.20 × 43,915.01
  4. Step 4: Simplify right side
    58,249.37x = 3,531,258,140.27
  5. Step 5: Solve for x
    x = 3,531,258,140.27/58,249.37
  6. Step 6: Final answer
    x = 60,623.11

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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.