Home / 51,756.76-71,420.40-29,092.15

Finding the Fourth Proportional to 51,756.76, 71,420.40 and 29,092.15

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Solution

The fourth proportional to 51,756.76, 71,420.40 and 29,092.15 is: 40,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.76 : 71,420.40 = 29,092.15 : x
  2. Step 2: Convert to fraction form
    51,756.76/71,420.40 = 29,092.15/x
  3. Step 3: Cross multiply
    51,756.76x = 71,420.40 × 29,092.15
  4. Step 4: Simplify right side
    51,756.76x = 2,077,772,844.40
  5. Step 5: Solve for x
    x = 2,077,772,844.40/51,756.76
  6. Step 6: Final answer
    x = 40,144.96

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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.