Home / 53,471.91-73,807.68-30,826.05

Finding the Fourth Proportional to 53,471.91, 73,807.68 and 30,826.05

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Solution

The fourth proportional to 53,471.91, 73,807.68 and 30,826.05 is: 42,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.91 : 73,807.68 = 30,826.05 : x
  2. Step 2: Convert to fraction form
    53,471.91/73,807.68 = 30,826.05/x
  3. Step 3: Cross multiply
    53,471.91x = 73,807.68 × 30,826.05
  4. Step 4: Simplify right side
    53,471.91x = 2,275,199,234.06
  5. Step 5: Solve for x
    x = 2,275,199,234.06/53,471.91
  6. Step 6: Final answer
    x = 42,549.43

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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.