Home / 69,313.59-103,957.86-19,381.35

Finding the Fourth Proportional to 69,313.59, 103,957.86 and 19,381.35

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Solution

The fourth proportional to 69,313.59, 103,957.86 and 19,381.35 is: 29,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,313.59 : 103,957.86 = 19,381.35 : x
  2. Step 2: Convert to fraction form
    69,313.59/103,957.86 = 19,381.35/x
  3. Step 3: Cross multiply
    69,313.59x = 103,957.86 × 19,381.35
  4. Step 4: Simplify right side
    69,313.59x = 2,014,843,669.91
  5. Step 5: Solve for x
    x = 2,014,843,669.91/69,313.59
  6. Step 6: Final answer
    x = 29,068.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.