Home / 42,064.21-63,386.48-38,115.29

Finding the Fourth Proportional to 42,064.21, 63,386.48 and 38,115.29

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Solution

The fourth proportional to 42,064.21, 63,386.48 and 38,115.29 is: 57,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,064.21 : 63,386.48 = 38,115.29 : x
  2. Step 2: Convert to fraction form
    42,064.21/63,386.48 = 38,115.29/x
  3. Step 3: Cross multiply
    42,064.21x = 63,386.48 × 38,115.29
  4. Step 4: Simplify right side
    42,064.21x = 2,415,994,321.03
  5. Step 5: Solve for x
    x = 2,415,994,321.03/42,064.21
  6. Step 6: Final answer
    x = 57,435.86

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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.