Home / 53,234.70-79,754.85-43,320.30

Finding the Fourth Proportional to 53,234.70, 79,754.85 and 43,320.30

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Solution

The fourth proportional to 53,234.70, 79,754.85 and 43,320.30 is: 64,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.70 : 79,754.85 = 43,320.30 : x
  2. Step 2: Convert to fraction form
    53,234.70/79,754.85 = 43,320.30/x
  3. Step 3: Cross multiply
    53,234.70x = 79,754.85 × 43,320.30
  4. Step 4: Simplify right side
    53,234.70x = 3,455,004,028.46
  5. Step 5: Solve for x
    x = 3,455,004,028.46/53,234.70
  6. Step 6: Final answer
    x = 64,901.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.