Home / 43,046.88-59,431.20-34,130.40

Finding the Fourth Proportional to 43,046.88, 59,431.20 and 34,130.40

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Solution

The fourth proportional to 43,046.88, 59,431.20 and 34,130.40 is: 47,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,046.88 : 59,431.20 = 34,130.40 : x
  2. Step 2: Convert to fraction form
    43,046.88/59,431.20 = 34,130.40/x
  3. Step 3: Cross multiply
    43,046.88x = 59,431.20 × 34,130.40
  4. Step 4: Simplify right side
    43,046.88x = 2,028,410,628.48
  5. Step 5: Solve for x
    x = 2,028,410,628.48/43,046.88
  6. Step 6: Final answer
    x = 47,120.97

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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.