Home / 53,287.99-79,914.68-17,739.76

Finding the Fourth Proportional to 53,287.99, 79,914.68 and 17,739.76

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Solution

The fourth proportional to 53,287.99, 79,914.68 and 17,739.76 is: 26,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.99 : 79,914.68 = 17,739.76 : x
  2. Step 2: Convert to fraction form
    53,287.99/79,914.68 = 17,739.76/x
  3. Step 3: Cross multiply
    53,287.99x = 79,914.68 × 17,739.76
  4. Step 4: Simplify right side
    53,287.99x = 1,417,667,243.68
  5. Step 5: Solve for x
    x = 1,417,667,243.68/53,287.99
  6. Step 6: Final answer
    x = 26,603.88

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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.