Home / 34,070.81-51,112.71-11,890.52

Finding the Fourth Proportional to 34,070.81, 51,112.71 and 11,890.52

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Solution

The fourth proportional to 34,070.81, 51,112.71 and 11,890.52 is: 17,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,070.81 : 51,112.71 = 11,890.52 : x
  2. Step 2: Convert to fraction form
    34,070.81/51,112.71 = 11,890.52/x
  3. Step 3: Cross multiply
    34,070.81x = 51,112.71 × 11,890.52
  4. Step 4: Simplify right side
    34,070.81x = 607,756,700.51
  5. Step 5: Solve for x
    x = 607,756,700.51/34,070.81
  6. Step 6: Final answer
    x = 17,838.05

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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.