Home / 56,406.88-84,622.20-21,345.76

Finding the Fourth Proportional to 56,406.88, 84,622.20 and 21,345.76

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Solution

The fourth proportional to 56,406.88, 84,622.20 and 21,345.76 is: 32,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.88 : 84,622.20 = 21,345.76 : x
  2. Step 2: Convert to fraction form
    56,406.88/84,622.20 = 21,345.76/x
  3. Step 3: Cross multiply
    56,406.88x = 84,622.20 × 21,345.76
  4. Step 4: Simplify right side
    56,406.88x = 1,806,325,171.87
  5. Step 5: Solve for x
    x = 1,806,325,171.87/56,406.88
  6. Step 6: Final answer
    x = 32,023.14

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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.