Home / 37,318.05-51,490.08-21,181.77

Finding the Fourth Proportional to 37,318.05, 51,490.08 and 21,181.77

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Solution

The fourth proportional to 37,318.05, 51,490.08 and 21,181.77 is: 29,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318.05 : 51,490.08 = 21,181.77 : x
  2. Step 2: Convert to fraction form
    37,318.05/51,490.08 = 21,181.77/x
  3. Step 3: Cross multiply
    37,318.05x = 51,490.08 × 21,181.77
  4. Step 4: Simplify right side
    37,318.05x = 1,090,651,031.84
  5. Step 5: Solve for x
    x = 1,090,651,031.84/37,318.05
  6. Step 6: Final answer
    x = 29,225.83

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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.