Home / 57,493.96-79,341.07-31,999.95

Finding the Fourth Proportional to 57,493.96, 79,341.07 and 31,999.95

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Solution

The fourth proportional to 57,493.96, 79,341.07 and 31,999.95 is: 44,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.96 : 79,341.07 = 31,999.95 : x
  2. Step 2: Convert to fraction form
    57,493.96/79,341.07 = 31,999.95/x
  3. Step 3: Cross multiply
    57,493.96x = 79,341.07 × 31,999.95
  4. Step 4: Simplify right side
    57,493.96x = 2,538,910,272.95
  5. Step 5: Solve for x
    x = 2,538,910,272.95/57,493.96
  6. Step 6: Final answer
    x = 44,159.60

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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.