Home / 51,041.88-70,442.10-28,382.52

Finding the Fourth Proportional to 51,041.88, 70,442.10 and 28,382.52

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Solution

The fourth proportional to 51,041.88, 70,442.10 and 28,382.52 is: 39,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,041.88 : 70,442.10 = 28,382.52 : x
  2. Step 2: Convert to fraction form
    51,041.88/70,442.10 = 28,382.52/x
  3. Step 3: Cross multiply
    51,041.88x = 70,442.10 × 28,382.52
  4. Step 4: Simplify right side
    51,041.88x = 1,999,324,312.09
  5. Step 5: Solve for x
    x = 1,999,324,312.09/51,041.88
  6. Step 6: Final answer
    x = 39,170.27

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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.