Home / 56,420.84-84,542.22-20,833.16

Finding the Fourth Proportional to 56,420.84, 84,542.22 and 20,833.16

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Solution

The fourth proportional to 56,420.84, 84,542.22 and 20,833.16 is: 31,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.84 : 84,542.22 = 20,833.16 : x
  2. Step 2: Convert to fraction form
    56,420.84/84,542.22 = 20,833.16/x
  3. Step 3: Cross multiply
    56,420.84x = 84,542.22 × 20,833.16
  4. Step 4: Simplify right side
    56,420.84x = 1,761,281,596.02
  5. Step 5: Solve for x
    x = 1,761,281,596.02/56,420.84
  6. Step 6: Final answer
    x = 31,216.86

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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.