Home / 31,254.96-46,882.08-12,539.76

Finding the Fourth Proportional to 31,254.96, 46,882.08 and 12,539.76

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Solution

The fourth proportional to 31,254.96, 46,882.08 and 12,539.76 is: 18,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.96 : 46,882.08 = 12,539.76 : x
  2. Step 2: Convert to fraction form
    31,254.96/46,882.08 = 12,539.76/x
  3. Step 3: Cross multiply
    31,254.96x = 46,882.08 × 12,539.76
  4. Step 4: Simplify right side
    31,254.96x = 587,890,031.50
  5. Step 5: Solve for x
    x = 587,890,031.50/31,254.96
  6. Step 6: Final answer
    x = 18,809.50

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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.