Home / 52,307.35-78,461.57-20,725.09

Finding the Fourth Proportional to 52,307.35, 78,461.57 and 20,725.09

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Solution

The fourth proportional to 52,307.35, 78,461.57 and 20,725.09 is: 31,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.35 : 78,461.57 = 20,725.09 : x
  2. Step 2: Convert to fraction form
    52,307.35/78,461.57 = 20,725.09/x
  3. Step 3: Cross multiply
    52,307.35x = 78,461.57 × 20,725.09
  4. Step 4: Simplify right side
    52,307.35x = 1,626,123,099.79
  5. Step 5: Solve for x
    x = 1,626,123,099.79/52,307.35
  6. Step 6: Final answer
    x = 31,087.85

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1.5x scale

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.