Home / 51,619.74-77,429.42-34,085.40

Finding the Fourth Proportional to 51,619.74, 77,429.42 and 34,085.40

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Solution

The fourth proportional to 51,619.74, 77,429.42 and 34,085.40 is: 51,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.74 : 77,429.42 = 34,085.40 : x
  2. Step 2: Convert to fraction form
    51,619.74/77,429.42 = 34,085.40/x
  3. Step 3: Cross multiply
    51,619.74x = 77,429.42 × 34,085.40
  4. Step 4: Simplify right side
    51,619.74x = 2,639,212,752.47
  5. Step 5: Solve for x
    x = 2,639,212,752.47/51,619.74
  6. Step 6: Final answer
    x = 51,127.97

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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.