Home / 51,423.14-77,136.42-17,688.84

Finding the Fourth Proportional to 51,423.14, 77,136.42 and 17,688.84

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Solution

The fourth proportional to 51,423.14, 77,136.42 and 17,688.84 is: 26,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.14 : 77,136.42 = 17,688.84 : x
  2. Step 2: Convert to fraction form
    51,423.14/77,136.42 = 17,688.84/x
  3. Step 3: Cross multiply
    51,423.14x = 77,136.42 × 17,688.84
  4. Step 4: Simplify right side
    51,423.14x = 1,364,453,791.55
  5. Step 5: Solve for x
    x = 1,364,453,791.55/51,423.14
  6. Step 6: Final answer
    x = 26,533.85

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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.