Home / 54,726.40-82,056.68-21,406.72

Finding the Fourth Proportional to 54,726.40, 82,056.68 and 21,406.72

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Solution

The fourth proportional to 54,726.40, 82,056.68 and 21,406.72 is: 32,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,726.40 : 82,056.68 = 21,406.72 : x
  2. Step 2: Convert to fraction form
    54,726.40/82,056.68 = 21,406.72/x
  3. Step 3: Cross multiply
    54,726.40x = 82,056.68 × 21,406.72
  4. Step 4: Simplify right side
    54,726.40x = 1,756,564,372.89
  5. Step 5: Solve for x
    x = 1,756,564,372.89/54,726.40
  6. Step 6: Final answer
    x = 32,097.20

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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.