Home / 39,953.24-59,966.67-20,245.76

Finding the Fourth Proportional to 39,953.24, 59,966.67 and 20,245.76

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Solution

The fourth proportional to 39,953.24, 59,966.67 and 20,245.76 is: 30,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.24 : 59,966.67 = 20,245.76 : x
  2. Step 2: Convert to fraction form
    39,953.24/59,966.67 = 20,245.76/x
  3. Step 3: Cross multiply
    39,953.24x = 59,966.67 × 20,245.76
  4. Step 4: Simplify right side
    39,953.24x = 1,214,070,808.82
  5. Step 5: Solve for x
    x = 1,214,070,808.82/39,953.24
  6. Step 6: Final answer
    x = 30,387.29

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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.