Home / 57,884.90-86,829.12-19,933.76

Finding the Fourth Proportional to 57,884.90, 86,829.12 and 19,933.76

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Solution

The fourth proportional to 57,884.90, 86,829.12 and 19,933.76 is: 29,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884.90 : 86,829.12 = 19,933.76 : x
  2. Step 2: Convert to fraction form
    57,884.90/86,829.12 = 19,933.76/x
  3. Step 3: Cross multiply
    57,884.90x = 86,829.12 × 19,933.76
  4. Step 4: Simplify right side
    57,884.90x = 1,730,830,839.09
  5. Step 5: Solve for x
    x = 1,730,830,839.09/57,884.90
  6. Step 6: Final answer
    x = 29,901.25

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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.