Home / 31,675.05-47,528.37-14,140.17

Finding the Fourth Proportional to 31,675.05, 47,528.37 and 14,140.17

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Solution

The fourth proportional to 31,675.05, 47,528.37 and 14,140.17 is: 21,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.05 : 47,528.37 = 14,140.17 : x
  2. Step 2: Convert to fraction form
    31,675.05/47,528.37 = 14,140.17/x
  3. Step 3: Cross multiply
    31,675.05x = 47,528.37 × 14,140.17
  4. Step 4: Simplify right side
    31,675.05x = 672,059,231.62
  5. Step 5: Solve for x
    x = 672,059,231.62/31,675.05
  6. Step 6: Final answer
    x = 21,217.31

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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.