Home / 31,996.87-47,995.56-20,973.35

Finding the Fourth Proportional to 31,996.87, 47,995.56 and 20,973.35

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Solution

The fourth proportional to 31,996.87, 47,995.56 and 20,973.35 is: 31,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.87 : 47,995.56 = 20,973.35 : x
  2. Step 2: Convert to fraction form
    31,996.87/47,995.56 = 20,973.35/x
  3. Step 3: Cross multiply
    31,996.87x = 47,995.56 × 20,973.35
  4. Step 4: Simplify right side
    31,996.87x = 1,006,627,798.31
  5. Step 5: Solve for x
    x = 1,006,627,798.31/31,996.87
  6. Step 6: Final answer
    x = 31,460.20

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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.