Home / 42,847.21-64,270.13-11,682.46

Finding the Fourth Proportional to 42,847.21, 64,270.13 and 11,682.46

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Solution

The fourth proportional to 42,847.21, 64,270.13 and 11,682.46 is: 17,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,847.21 : 64,270.13 = 11,682.46 : x
  2. Step 2: Convert to fraction form
    42,847.21/64,270.13 = 11,682.46/x
  3. Step 3: Cross multiply
    42,847.21x = 64,270.13 × 11,682.46
  4. Step 4: Simplify right side
    42,847.21x = 750,833,222.92
  5. Step 5: Solve for x
    x = 750,833,222.92/42,847.21
  6. Step 6: Final answer
    x = 17,523.50

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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.