Home / 51,559.45-71,157.74-28,900.61

Finding the Fourth Proportional to 51,559.45, 71,157.74 and 28,900.61

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Solution

The fourth proportional to 51,559.45, 71,157.74 and 28,900.61 is: 39,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,559.45 : 71,157.74 = 28,900.61 : x
  2. Step 2: Convert to fraction form
    51,559.45/71,157.74 = 28,900.61/x
  3. Step 3: Cross multiply
    51,559.45x = 71,157.74 × 28,900.61
  4. Step 4: Simplify right side
    51,559.45x = 2,056,502,421.60
  5. Step 5: Solve for x
    x = 2,056,502,421.60/51,559.45
  6. Step 6: Final answer
    x = 39,886.04

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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.