Home / 35,462.70-53,190.45-12,088.80

Finding the Fourth Proportional to 35,462.70, 53,190.45 and 12,088.80

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Solution

The fourth proportional to 35,462.70, 53,190.45 and 12,088.80 is: 18,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.70 : 53,190.45 = 12,088.80 : x
  2. Step 2: Convert to fraction form
    35,462.70/53,190.45 = 12,088.80/x
  3. Step 3: Cross multiply
    35,462.70x = 53,190.45 × 12,088.80
  4. Step 4: Simplify right side
    35,462.70x = 643,008,711.96
  5. Step 5: Solve for x
    x = 643,008,711.96/35,462.70
  6. Step 6: Final answer
    x = 18,131.97

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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.