Home / 48,639.59-72,946.32-18,647.31

Finding the Fourth Proportional to 48,639.59, 72,946.32 and 18,647.31

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Solution

The fourth proportional to 48,639.59, 72,946.32 and 18,647.31 is: 27,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.59 : 72,946.32 = 18,647.31 : x
  2. Step 2: Convert to fraction form
    48,639.59/72,946.32 = 18,647.31/x
  3. Step 3: Cross multiply
    48,639.59x = 72,946.32 × 18,647.31
  4. Step 4: Simplify right side
    48,639.59x = 1,360,252,950.91
  5. Step 5: Solve for x
    x = 1,360,252,950.91/48,639.59
  6. Step 6: Final answer
    x = 27,965.96

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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.