Home / 42,877.35-64,317.38-13,295.41

Finding the Fourth Proportional to 42,877.35, 64,317.38 and 13,295.41

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Solution

The fourth proportional to 42,877.35, 64,317.38 and 13,295.41 is: 19,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,877.35 : 64,317.38 = 13,295.41 : x
  2. Step 2: Convert to fraction form
    42,877.35/64,317.38 = 13,295.41/x
  3. Step 3: Cross multiply
    42,877.35x = 64,317.38 × 13,295.41
  4. Step 4: Simplify right side
    42,877.35x = 855,125,709.96
  5. Step 5: Solve for x
    x = 855,125,709.96/42,877.35
  6. Step 6: Final answer
    x = 19,943.53

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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.