Home / 53,553.32-73,885.50-30,891.76

Finding the Fourth Proportional to 53,553.32, 73,885.50 and 30,891.76

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Solution

The fourth proportional to 53,553.32, 73,885.50 and 30,891.76 is: 42,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.32 : 73,885.50 = 30,891.76 : x
  2. Step 2: Convert to fraction form
    53,553.32/73,885.50 = 30,891.76/x
  3. Step 3: Cross multiply
    53,553.32x = 73,885.50 × 30,891.76
  4. Step 4: Simplify right side
    53,553.32x = 2,282,453,133.48
  5. Step 5: Solve for x
    x = 2,282,453,133.48/53,553.32
  6. Step 6: Final answer
    x = 42,620.20

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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.