Home / 56,325.12-84,510.24-21,274.56

Finding the Fourth Proportional to 56,325.12, 84,510.24 and 21,274.56

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Solution

The fourth proportional to 56,325.12, 84,510.24 and 21,274.56 is: 31,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.12 : 84,510.24 = 21,274.56 : x
  2. Step 2: Convert to fraction form
    56,325.12/84,510.24 = 21,274.56/x
  3. Step 3: Cross multiply
    56,325.12x = 84,510.24 × 21,274.56
  4. Step 4: Simplify right side
    56,325.12x = 1,797,918,171.49
  5. Step 5: Solve for x
    x = 1,797,918,171.49/56,325.12
  6. Step 6: Final answer
    x = 31,920.36

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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.