Home / 33,162.46-45,750.64-20,411.80

Finding the Fourth Proportional to 33,162.46, 45,750.64 and 20,411.80

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Solution

The fourth proportional to 33,162.46, 45,750.64 and 20,411.80 is: 28,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,162.46 : 45,750.64 = 20,411.80 : x
  2. Step 2: Convert to fraction form
    33,162.46/45,750.64 = 20,411.80/x
  3. Step 3: Cross multiply
    33,162.46x = 45,750.64 × 20,411.80
  4. Step 4: Simplify right side
    33,162.46x = 933,852,913.55
  5. Step 5: Solve for x
    x = 933,852,913.55/33,162.46
  6. Step 6: Final answer
    x = 28,159.94

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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.