Home / 34,539.51-51,807.16-20,315.86

Finding the Fourth Proportional to 34,539.51, 51,807.16 and 20,315.86

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Solution

The fourth proportional to 34,539.51, 51,807.16 and 20,315.86 is: 30,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.51 : 51,807.16 = 20,315.86 : x
  2. Step 2: Convert to fraction form
    34,539.51/51,807.16 = 20,315.86/x
  3. Step 3: Cross multiply
    34,539.51x = 51,807.16 × 20,315.86
  4. Step 4: Simplify right side
    34,539.51x = 1,052,507,009.56
  5. Step 5: Solve for x
    x = 1,052,507,009.56/34,539.51
  6. Step 6: Final answer
    x = 30,472.55

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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.