Home / 53,485.13-80,227.49-21,909.84

Finding the Fourth Proportional to 53,485.13, 80,227.49 and 21,909.84

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Solution

The fourth proportional to 53,485.13, 80,227.49 and 21,909.84 is: 32,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,485.13 : 80,227.49 = 21,909.84 : x
  2. Step 2: Convert to fraction form
    53,485.13/80,227.49 = 21,909.84/x
  3. Step 3: Cross multiply
    53,485.13x = 80,227.49 × 21,909.84
  4. Step 4: Simplify right side
    53,485.13x = 1,757,771,359.95
  5. Step 5: Solve for x
    x = 1,757,771,359.95/53,485.13
  6. Step 6: Final answer
    x = 32,864.68

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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.