Home / 57,622.75-79,519.40-31,126.75

Finding the Fourth Proportional to 57,622.75, 79,519.40 and 31,126.75

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Solution

The fourth proportional to 57,622.75, 79,519.40 and 31,126.75 is: 42,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.75 : 79,519.40 = 31,126.75 : x
  2. Step 2: Convert to fraction form
    57,622.75/79,519.40 = 31,126.75/x
  3. Step 3: Cross multiply
    57,622.75x = 79,519.40 × 31,126.75
  4. Step 4: Simplify right side
    57,622.75x = 2,475,180,483.95
  5. Step 5: Solve for x
    x = 2,475,180,483.95/57,622.75
  6. Step 6: Final answer
    x = 42,954.92

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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.