Home / 51,987-71,749.08-29,330.64

Finding the Fourth Proportional to 51,987, 71,749.08 and 29,330.64

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Solution

The fourth proportional to 51,987, 71,749.08 and 29,330.64 is: 40,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987 : 71,749.08 = 29,330.64 : x
  2. Step 2: Convert to fraction form
    51,987/71,749.08 = 29,330.64/x
  3. Step 3: Cross multiply
    51,987x = 71,749.08 × 29,330.64
  4. Step 4: Simplify right side
    51,987x = 2,104,446,435.81
  5. Step 5: Solve for x
    x = 2,104,446,435.81/51,987
  6. Step 6: Final answer
    x = 40,480.24

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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.