Home / 36,637.84-50,558.16-20,721.36

Finding the Fourth Proportional to 36,637.84, 50,558.16 and 20,721.36

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Solution

The fourth proportional to 36,637.84, 50,558.16 and 20,721.36 is: 28,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,637.84 : 50,558.16 = 20,721.36 : x
  2. Step 2: Convert to fraction form
    36,637.84/50,558.16 = 20,721.36/x
  3. Step 3: Cross multiply
    36,637.84x = 50,558.16 × 20,721.36
  4. Step 4: Simplify right side
    36,637.84x = 1,047,633,834.30
  5. Step 5: Solve for x
    x = 1,047,633,834.30/36,637.84
  6. Step 6: Final answer
    x = 28,594.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.