Home / 51,516.79-71,094.07-28,855.59

Finding the Fourth Proportional to 51,516.79, 71,094.07 and 28,855.59

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Solution

The fourth proportional to 51,516.79, 71,094.07 and 28,855.59 is: 39,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.79 : 71,094.07 = 28,855.59 : x
  2. Step 2: Convert to fraction form
    51,516.79/71,094.07 = 28,855.59/x
  3. Step 3: Cross multiply
    51,516.79x = 71,094.07 × 28,855.59
  4. Step 4: Simplify right side
    51,516.79x = 2,051,461,115.70
  5. Step 5: Solve for x
    x = 2,051,461,115.70/51,516.79
  6. Step 6: Final answer
    x = 39,821.21

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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.