Home / 57,814.23-86,720.39-17,287.84

Finding the Fourth Proportional to 57,814.23, 86,720.39 and 17,287.84

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Solution

The fourth proportional to 57,814.23, 86,720.39 and 17,287.84 is: 25,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.23 : 86,720.39 = 17,287.84 : x
  2. Step 2: Convert to fraction form
    57,814.23/86,720.39 = 17,287.84/x
  3. Step 3: Cross multiply
    57,814.23x = 86,720.39 × 17,287.84
  4. Step 4: Simplify right side
    57,814.23x = 1,499,208,227.06
  5. Step 5: Solve for x
    x = 1,499,208,227.06/57,814.23
  6. Step 6: Final answer
    x = 25,931.47

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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.