Home / 31,653.82-47,496.93-12,947.68

Finding the Fourth Proportional to 31,653.82, 47,496.93 and 12,947.68

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Solution

The fourth proportional to 31,653.82, 47,496.93 and 12,947.68 is: 19,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.82 : 47,496.93 = 12,947.68 : x
  2. Step 2: Convert to fraction form
    31,653.82/47,496.93 = 12,947.68/x
  3. Step 3: Cross multiply
    31,653.82x = 47,496.93 × 12,947.68
  4. Step 4: Simplify right side
    31,653.82x = 614,975,050.62
  5. Step 5: Solve for x
    x = 614,975,050.62/31,653.82
  6. Step 6: Final answer
    x = 19,428.15

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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.