Home / 57,710.33-86,575.07-20,260.69

Finding the Fourth Proportional to 57,710.33, 86,575.07 and 20,260.69

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Solution

The fourth proportional to 57,710.33, 86,575.07 and 20,260.69 is: 30,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.33 : 86,575.07 = 20,260.69 : x
  2. Step 2: Convert to fraction form
    57,710.33/86,575.07 = 20,260.69/x
  3. Step 3: Cross multiply
    57,710.33x = 86,575.07 × 20,260.69
  4. Step 4: Simplify right side
    57,710.33x = 1,754,070,655.00
  5. Step 5: Solve for x
    x = 1,754,070,655.00/57,710.33
  6. Step 6: Final answer
    x = 30,394.40

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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.