Home / 51,310.17-70,807.34-28,649.54

Finding the Fourth Proportional to 51,310.17, 70,807.34 and 28,649.54

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Solution

The fourth proportional to 51,310.17, 70,807.34 and 28,649.54 is: 39,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.17 : 70,807.34 = 28,649.54 : x
  2. Step 2: Convert to fraction form
    51,310.17/70,807.34 = 28,649.54/x
  3. Step 3: Cross multiply
    51,310.17x = 70,807.34 × 28,649.54
  4. Step 4: Simplify right side
    51,310.17x = 2,028,597,968.27
  5. Step 5: Solve for x
    x = 2,028,597,968.27/51,310.17
  6. Step 6: Final answer
    x = 39,535.98

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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.