Home / 47,228.94-70,859.79-20,952.09

Finding the Fourth Proportional to 47,228.94, 70,859.79 and 20,952.09

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Solution

The fourth proportional to 47,228.94, 70,859.79 and 20,952.09 is: 31,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.94 : 70,859.79 = 20,952.09 : x
  2. Step 2: Convert to fraction form
    47,228.94/70,859.79 = 20,952.09/x
  3. Step 3: Cross multiply
    47,228.94x = 70,859.79 × 20,952.09
  4. Step 4: Simplify right side
    47,228.94x = 1,484,660,697.46
  5. Step 5: Solve for x
    x = 1,484,660,697.46/47,228.94
  6. Step 6: Final answer
    x = 31,435.40

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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.