Home / 51,622.49-71,237.67-28,959.59

Finding the Fourth Proportional to 51,622.49, 71,237.67 and 28,959.59

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Solution

The fourth proportional to 51,622.49, 71,237.67 and 28,959.59 is: 39,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622.49 : 71,237.67 = 28,959.59 : x
  2. Step 2: Convert to fraction form
    51,622.49/71,237.67 = 28,959.59/x
  3. Step 3: Cross multiply
    51,622.49x = 71,237.67 × 28,959.59
  4. Step 4: Simplify right side
    51,622.49x = 2,063,013,715.76
  5. Step 5: Solve for x
    x = 2,063,013,715.76/51,622.49
  6. Step 6: Final answer
    x = 39,963.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.