Home / 40,631.19-60,956.73-13,977.60

Finding the Fourth Proportional to 40,631.19, 60,956.73 and 13,977.60

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Solution

The fourth proportional to 40,631.19, 60,956.73 and 13,977.60 is: 20,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.19 : 60,956.73 = 13,977.60 : x
  2. Step 2: Convert to fraction form
    40,631.19/60,956.73 = 13,977.60/x
  3. Step 3: Cross multiply
    40,631.19x = 60,956.73 × 13,977.60
  4. Step 4: Simplify right side
    40,631.19x = 852,028,789.25
  5. Step 5: Solve for x
    x = 852,028,789.25/40,631.19
  6. Step 6: Final answer
    x = 20,969.82

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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.