Home / 42,416.56-63,922.75-38,205.09

Finding the Fourth Proportional to 42,416.56, 63,922.75 and 38,205.09

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Solution

The fourth proportional to 42,416.56, 63,922.75 and 38,205.09 is: 57,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.56 : 63,922.75 = 38,205.09 : x
  2. Step 2: Convert to fraction form
    42,416.56/63,922.75 = 38,205.09/x
  3. Step 3: Cross multiply
    42,416.56x = 63,922.75 × 38,205.09
  4. Step 4: Simplify right side
    42,416.56x = 2,442,174,536.19
  5. Step 5: Solve for x
    x = 2,442,174,536.19/42,416.56
  6. Step 6: Final answer
    x = 57,575.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.