Home / 51,434.63-77,136.26-18,146.92

Finding the Fourth Proportional to 51,434.63, 77,136.26 and 18,146.92

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Solution

The fourth proportional to 51,434.63, 77,136.26 and 18,146.92 is: 27,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,434.63 : 77,136.26 = 18,146.92 : x
  2. Step 2: Convert to fraction form
    51,434.63/77,136.26 = 18,146.92/x
  3. Step 3: Cross multiply
    51,434.63x = 77,136.26 × 18,146.92
  4. Step 4: Simplify right side
    51,434.63x = 1,399,785,539.32
  5. Step 5: Solve for x
    x = 1,399,785,539.32/51,434.63
  6. Step 6: Final answer
    x = 27,214.85

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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.