Home / 51,918.76-71,639.76-29,256.58

Finding the Fourth Proportional to 51,918.76, 71,639.76 and 29,256.58

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Solution

The fourth proportional to 51,918.76, 71,639.76 and 29,256.58 is: 40,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.76 : 71,639.76 = 29,256.58 : x
  2. Step 2: Convert to fraction form
    51,918.76/71,639.76 = 29,256.58/x
  3. Step 3: Cross multiply
    51,918.76x = 71,639.76 × 29,256.58
  4. Step 4: Simplify right side
    51,918.76x = 2,095,934,369.62
  5. Step 5: Solve for x
    x = 2,095,934,369.62/51,918.76
  6. Step 6: Final answer
    x = 40,369.50

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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.