Home / 51,209.58-70,669.50-28,550

Finding the Fourth Proportional to 51,209.58, 70,669.50 and 28,550

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Solution

The fourth proportional to 51,209.58, 70,669.50 and 28,550 is: 39,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.58 : 70,669.50 = 28,550 : x
  2. Step 2: Convert to fraction form
    51,209.58/70,669.50 = 28,550/x
  3. Step 3: Cross multiply
    51,209.58x = 70,669.50 × 28,550
  4. Step 4: Simplify right side
    51,209.58x = 2,017,614,225
  5. Step 5: Solve for x
    x = 2,017,614,225/51,209.58
  6. Step 6: Final answer
    x = 39,399.16

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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.