Home / 45,660.68-63,029.32-40,872.18

Finding the Fourth Proportional to 45,660.68, 63,029.32 and 40,872.18

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Solution

The fourth proportional to 45,660.68, 63,029.32 and 40,872.18 is: 56,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660.68 : 63,029.32 = 40,872.18 : x
  2. Step 2: Convert to fraction form
    45,660.68/63,029.32 = 40,872.18/x
  3. Step 3: Cross multiply
    45,660.68x = 63,029.32 × 40,872.18
  4. Step 4: Simplify right side
    45,660.68x = 2,576,145,712.32
  5. Step 5: Solve for x
    x = 2,576,145,712.32/45,660.68
  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.