Home / 48,637.35-72,977.47-20,576.77

Finding the Fourth Proportional to 48,637.35, 72,977.47 and 20,576.77

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Solution

The fourth proportional to 48,637.35, 72,977.47 and 20,576.77 is: 30,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.35 : 72,977.47 = 20,576.77 : x
  2. Step 2: Convert to fraction form
    48,637.35/72,977.47 = 20,576.77/x
  3. Step 3: Cross multiply
    48,637.35x = 72,977.47 × 20,576.77
  4. Step 4: Simplify right side
    48,637.35x = 1,501,640,381.49
  5. Step 5: Solve for x
    x = 1,501,640,381.49/48,637.35
  6. Step 6: Final answer
    x = 30,874.22

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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.