Home / 63,729.31-87,945.91-35,434.75

Finding the Fourth Proportional to 63,729.31, 87,945.91 and 35,434.75

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Solution

The fourth proportional to 63,729.31, 87,945.91 and 35,434.75 is: 48,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,729.31 : 87,945.91 = 35,434.75 : x
  2. Step 2: Convert to fraction form
    63,729.31/87,945.91 = 35,434.75/x
  3. Step 3: Cross multiply
    63,729.31x = 87,945.91 × 35,434.75
  4. Step 4: Simplify right side
    63,729.31x = 3,116,341,334.37
  5. Step 5: Solve for x
    x = 3,116,341,334.37/63,729.31
  6. Step 6: Final answer
    x = 48,899.66

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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.