Home / 75,684.28-113,526.44-31,262.20

Finding the Fourth Proportional to 75,684.28, 113,526.44 and 31,262.20

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Solution

The fourth proportional to 75,684.28, 113,526.44 and 31,262.20 is: 46,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.28 : 113,526.44 = 31,262.20 : x
  2. Step 2: Convert to fraction form
    75,684.28/113,526.44 = 31,262.20/x
  3. Step 3: Cross multiply
    75,684.28x = 113,526.44 × 31,262.20
  4. Step 4: Simplify right side
    75,684.28x = 3,549,086,272.57
  5. Step 5: Solve for x
    x = 3,549,086,272.57/75,684.28
  6. Step 6: Final answer
    x = 46,893.31

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1.5x scale

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.