Home / 52,741.46-72,783.30-28,869.65

Finding the Fourth Proportional to 52,741.46, 72,783.30 and 28,869.65

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Solution

The fourth proportional to 52,741.46, 72,783.30 and 28,869.65 is: 39,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.46 : 72,783.30 = 28,869.65 : x
  2. Step 2: Convert to fraction form
    52,741.46/72,783.30 = 28,869.65/x
  3. Step 3: Cross multiply
    52,741.46x = 72,783.30 × 28,869.65
  4. Step 4: Simplify right side
    52,741.46x = 2,101,228,032.93
  5. Step 5: Solve for x
    x = 2,101,228,032.93/52,741.46
  6. Step 6: Final answer
    x = 39,840.16

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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.