Home / 20,031.32-30,041.85-5,991.32

Finding the Fourth Proportional to 20,031.32, 30,041.85 and 5,991.32

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Solution

The fourth proportional to 20,031.32, 30,041.85 and 5,991.32 is: 8,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.32 : 30,041.85 = 5,991.32 : x
  2. Step 2: Convert to fraction form
    20,031.32/30,041.85 = 5,991.32/x
  3. Step 3: Cross multiply
    20,031.32x = 30,041.85 × 5,991.32
  4. Step 4: Simplify right side
    20,031.32x = 179,990,336.74
  5. Step 5: Solve for x
    x = 179,990,336.74/20,031.32
  6. Step 6: Final answer
    x = 8,985.45

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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.