Home / 33,652.80-46,420.32-20,031.69

Finding the Fourth Proportional to 33,652.80, 46,420.32 and 20,031.69

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Solution

The fourth proportional to 33,652.80, 46,420.32 and 20,031.69 is: 27,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,652.80 : 46,420.32 = 20,031.69 : x
  2. Step 2: Convert to fraction form
    33,652.80/46,420.32 = 20,031.69/x
  3. Step 3: Cross multiply
    33,652.80x = 46,420.32 × 20,031.69
  4. Step 4: Simplify right side
    33,652.80x = 929,877,459.94
  5. Step 5: Solve for x
    x = 929,877,459.94/33,652.80
  6. Step 6: Final answer
    x = 27,631.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.