Home / 33,123.40-49,685.10-30,401.80

Finding the Fourth Proportional to 33,123.40, 49,685.10 and 30,401.80

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Solution

The fourth proportional to 33,123.40, 49,685.10 and 30,401.80 is: 45,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.40 : 49,685.10 = 30,401.80 : x
  2. Step 2: Convert to fraction form
    33,123.40/49,685.10 = 30,401.80/x
  3. Step 3: Cross multiply
    33,123.40x = 49,685.10 × 30,401.80
  4. Step 4: Simplify right side
    33,123.40x = 1,510,516,473.18
  5. Step 5: Solve for x
    x = 1,510,516,473.18/33,123.40
  6. Step 6: Final answer
    x = 45,602.70

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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.