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Finding the Fourth Proportional to 59,389.50, 81,955.08 and 35,529.36

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Solution

The fourth proportional to 59,389.50, 81,955.08 and 35,529.36 is: 49,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,389.50 : 81,955.08 = 35,529.36 : x
  2. Step 2: Convert to fraction form
    59,389.50/81,955.08 = 35,529.36/x
  3. Step 3: Cross multiply
    59,389.50x = 81,955.08 × 35,529.36
  4. Step 4: Simplify right side
    59,389.50x = 2,911,811,541.15
  5. Step 5: Solve for x
    x = 2,911,811,541.15/59,389.50
  6. Step 6: Final answer
    x = 49,029.06

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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.