Home / 57,026.76-78,693.75-31,531.59

Finding the Fourth Proportional to 57,026.76, 78,693.75 and 31,531.59

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Solution

The fourth proportional to 57,026.76, 78,693.75 and 31,531.59 is: 43,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,026.76 : 78,693.75 = 31,531.59 : x
  2. Step 2: Convert to fraction form
    57,026.76/78,693.75 = 31,531.59/x
  3. Step 3: Cross multiply
    57,026.76x = 78,693.75 × 31,531.59
  4. Step 4: Simplify right side
    57,026.76x = 2,481,339,060.56
  5. Step 5: Solve for x
    x = 2,481,339,060.56/57,026.76
  6. Step 6: Final answer
    x = 43,511.84

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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.