Home / 56,246.10-84,401.55-21,210.90

Finding the Fourth Proportional to 56,246.10, 84,401.55 and 21,210.90

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Solution

The fourth proportional to 56,246.10, 84,401.55 and 21,210.90 is: 31,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,246.10 : 84,401.55 = 21,210.90 : x
  2. Step 2: Convert to fraction form
    56,246.10/84,401.55 = 21,210.90/x
  3. Step 3: Cross multiply
    56,246.10x = 84,401.55 × 21,210.90
  4. Step 4: Simplify right side
    56,246.10x = 1,790,232,836.90
  5. Step 5: Solve for x
    x = 1,790,232,836.90/56,246.10
  6. Step 6: Final answer
    x = 31,828.57

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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.