Home / 45,672.60-63,077.68-31,370.08

Finding the Fourth Proportional to 45,672.60, 63,077.68 and 31,370.08

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Solution

The fourth proportional to 45,672.60, 63,077.68 and 31,370.08 is: 43,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.60 : 63,077.68 = 31,370.08 : x
  2. Step 2: Convert to fraction form
    45,672.60/63,077.68 = 31,370.08/x
  3. Step 3: Cross multiply
    45,672.60x = 63,077.68 × 31,370.08
  4. Step 4: Simplify right side
    45,672.60x = 1,978,751,867.81
  5. Step 5: Solve for x
    x = 1,978,751,867.81/45,672.60
  6. Step 6: Final answer
    x = 43,324.70

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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.