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Finding the Fourth Proportional to 58,361.50, 80,540.49 and 35,700.08

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Solution

The fourth proportional to 58,361.50, 80,540.49 and 35,700.08 is: 49,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.50 : 80,540.49 = 35,700.08 : x
  2. Step 2: Convert to fraction form
    58,361.50/80,540.49 = 35,700.08/x
  3. Step 3: Cross multiply
    58,361.50x = 80,540.49 × 35,700.08
  4. Step 4: Simplify right side
    58,361.50x = 2,875,301,856.58
  5. Step 5: Solve for x
    x = 2,875,301,856.58/58,361.50
  6. Step 6: Final answer
    x = 49,267.10

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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.