Home / 30,152.43-41,604.98-18,207.76

Finding the Fourth Proportional to 30,152.43, 41,604.98 and 18,207.76

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Solution

The fourth proportional to 30,152.43, 41,604.98 and 18,207.76 is: 25,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.43 : 41,604.98 = 18,207.76 : x
  2. Step 2: Convert to fraction form
    30,152.43/41,604.98 = 18,207.76/x
  3. Step 3: Cross multiply
    30,152.43x = 41,604.98 × 18,207.76
  4. Step 4: Simplify right side
    30,152.43x = 757,533,490.64
  5. Step 5: Solve for x
    x = 757,533,490.64/30,152.43
  6. Step 6: Final answer
    x = 25,123.46

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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.