Home / 56,266.20-84,411.18-21,206.16

Finding the Fourth Proportional to 56,266.20, 84,411.18 and 21,206.16

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Solution

The fourth proportional to 56,266.20, 84,411.18 and 21,206.16 is: 31,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,266.20 : 84,411.18 = 21,206.16 : x
  2. Step 2: Convert to fraction form
    56,266.20/84,411.18 = 21,206.16/x
  3. Step 3: Cross multiply
    56,266.20x = 84,411.18 × 21,206.16
  4. Step 4: Simplify right side
    56,266.20x = 1,790,036,988.87
  5. Step 5: Solve for x
    x = 1,790,036,988.87/56,266.20
  6. Step 6: Final answer
    x = 31,813.72

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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.