Home / 33,398.55-50,123.21-12,358.49

Finding the Fourth Proportional to 33,398.55, 50,123.21 and 12,358.49

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Solution

The fourth proportional to 33,398.55, 50,123.21 and 12,358.49 is: 18,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.55 : 50,123.21 = 12,358.49 : x
  2. Step 2: Convert to fraction form
    33,398.55/50,123.21 = 12,358.49/x
  3. Step 3: Cross multiply
    33,398.55x = 50,123.21 × 12,358.49
  4. Step 4: Simplify right side
    33,398.55x = 619,446,877.14
  5. Step 5: Solve for x
    x = 619,446,877.14/33,398.55
  6. Step 6: Final answer
    x = 18,547.12

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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.