Home / 45,660.68-63,029.31-40,872.19

Finding the Fourth Proportional to 45,660.68, 63,029.31 and 40,872.19

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Solution

The fourth proportional to 45,660.68, 63,029.31 and 40,872.19 is: 56,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660.68 : 63,029.31 = 40,872.19 : x
  2. Step 2: Convert to fraction form
    45,660.68/63,029.31 = 40,872.19/x
  3. Step 3: Cross multiply
    45,660.68x = 63,029.31 × 40,872.19
  4. Step 4: Simplify right side
    45,660.68x = 2,576,145,933.89
  5. Step 5: Solve for x
    x = 2,576,145,933.89/45,660.68
  6. Step 6: Final answer
    x = 56,419.35

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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.