Home / 53,632.35-80,430.03-20,361.92

Finding the Fourth Proportional to 53,632.35, 80,430.03 and 20,361.92

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Solution

The fourth proportional to 53,632.35, 80,430.03 and 20,361.92 is: 30,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,632.35 : 80,430.03 = 20,361.92 : x
  2. Step 2: Convert to fraction form
    53,632.35/80,430.03 = 20,361.92/x
  3. Step 3: Cross multiply
    53,632.35x = 80,430.03 × 20,361.92
  4. Step 4: Simplify right side
    53,632.35x = 1,637,709,434.31
  5. Step 5: Solve for x
    x = 1,637,709,434.31/53,632.35
  6. Step 6: Final answer
    x = 30,535.85

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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.