Home / 51,036.20-70,433.90-30,619.03

Finding the Fourth Proportional to 51,036.20, 70,433.90 and 30,619.03

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Solution

The fourth proportional to 51,036.20, 70,433.90 and 30,619.03 is: 42,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.20 : 70,433.90 = 30,619.03 : x
  2. Step 2: Convert to fraction form
    51,036.20/70,433.90 = 30,619.03/x
  3. Step 3: Cross multiply
    51,036.20x = 70,433.90 × 30,619.03
  4. Step 4: Simplify right side
    51,036.20x = 2,156,617,367.94
  5. Step 5: Solve for x
    x = 2,156,617,367.94/51,036.20
  6. Step 6: Final answer
    x = 42,256.63

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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.