Home / 57,136.68-78,855.66-34,488.67

Finding the Fourth Proportional to 57,136.68, 78,855.66 and 34,488.67

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Solution

The fourth proportional to 57,136.68, 78,855.66 and 34,488.67 is: 47,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,136.68 : 78,855.66 = 34,488.67 : x
  2. Step 2: Convert to fraction form
    57,136.68/78,855.66 = 34,488.67/x
  3. Step 3: Cross multiply
    57,136.68x = 78,855.66 × 34,488.67
  4. Step 4: Simplify right side
    57,136.68x = 2,719,626,835.37
  5. Step 5: Solve for x
    x = 2,719,626,835.37/57,136.68
  6. Step 6: Final answer
    x = 47,598.62

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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.