Home / 42,890.45-64,195.94-38,798.33

Finding the Fourth Proportional to 42,890.45, 64,195.94 and 38,798.33

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Solution

The fourth proportional to 42,890.45, 64,195.94 and 38,798.33 is: 58,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.45 : 64,195.94 = 38,798.33 : x
  2. Step 2: Convert to fraction form
    42,890.45/64,195.94 = 38,798.33/x
  3. Step 3: Cross multiply
    42,890.45x = 64,195.94 × 38,798.33
  4. Step 4: Simplify right side
    42,890.45x = 2,490,695,040.80
  5. Step 5: Solve for x
    x = 2,490,695,040.80/42,890.45
  6. Step 6: Final answer
    x = 58,071.09

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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.