Home / 48,973.49-73,487.92-20,890.89

Finding the Fourth Proportional to 48,973.49, 73,487.92 and 20,890.89

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Solution

The fourth proportional to 48,973.49, 73,487.92 and 20,890.89 is: 31,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,973.49 : 73,487.92 = 20,890.89 : x
  2. Step 2: Convert to fraction form
    48,973.49/73,487.92 = 20,890.89/x
  3. Step 3: Cross multiply
    48,973.49x = 73,487.92 × 20,890.89
  4. Step 4: Simplify right side
    48,973.49x = 1,535,228,223.94
  5. Step 5: Solve for x
    x = 1,535,228,223.94/48,973.49
  6. Step 6: Final answer
    x = 31,348.15

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1.5x scale

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.