Home / 63,419.85-95,130.72-30,143.34

Finding the Fourth Proportional to 63,419.85, 95,130.72 and 30,143.34

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Solution

The fourth proportional to 63,419.85, 95,130.72 and 30,143.34 is: 45,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.85 : 95,130.72 = 30,143.34 : x
  2. Step 2: Convert to fraction form
    63,419.85/95,130.72 = 30,143.34/x
  3. Step 3: Cross multiply
    63,419.85x = 95,130.72 × 30,143.34
  4. Step 4: Simplify right side
    63,419.85x = 2,867,557,637.40
  5. Step 5: Solve for x
    x = 2,867,557,637.40/63,419.85
  6. Step 6: Final answer
    x = 45,215.46

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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.