Home / 51,642.38-77,457.42-14,206.26

Finding the Fourth Proportional to 51,642.38, 77,457.42 and 14,206.26

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Solution

The fourth proportional to 51,642.38, 77,457.42 and 14,206.26 is: 21,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.38 : 77,457.42 = 14,206.26 : x
  2. Step 2: Convert to fraction form
    51,642.38/77,457.42 = 14,206.26/x
  3. Step 3: Cross multiply
    51,642.38x = 77,457.42 × 14,206.26
  4. Step 4: Simplify right side
    51,642.38x = 1,100,380,282.96
  5. Step 5: Solve for x
    x = 1,100,380,282.96/51,642.38
  6. Step 6: Final answer
    x = 21,307.70

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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.