Home / 69,541.59-104,312.61-19,621.95

Finding the Fourth Proportional to 69,541.59, 104,312.61 and 19,621.95

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Solution

The fourth proportional to 69,541.59, 104,312.61 and 19,621.95 is: 29,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,541.59 : 104,312.61 = 19,621.95 : x
  2. Step 2: Convert to fraction form
    69,541.59/104,312.61 = 19,621.95/x
  3. Step 3: Cross multiply
    69,541.59x = 104,312.61 × 19,621.95
  4. Step 4: Simplify right side
    69,541.59x = 2,046,816,426.62
  5. Step 5: Solve for x
    x = 2,046,816,426.62/69,541.59
  6. Step 6: Final answer
    x = 29,432.98

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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.