Home / 56,228.58-84,315.06-18,775.80

Finding the Fourth Proportional to 56,228.58, 84,315.06 and 18,775.80

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Solution

The fourth proportional to 56,228.58, 84,315.06 and 18,775.80 is: 28,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.58 : 84,315.06 = 18,775.80 : x
  2. Step 2: Convert to fraction form
    56,228.58/84,315.06 = 18,775.80/x
  3. Step 3: Cross multiply
    56,228.58x = 84,315.06 × 18,775.80
  4. Step 4: Simplify right side
    56,228.58x = 1,583,082,703.55
  5. Step 5: Solve for x
    x = 1,583,082,703.55/56,228.58
  6. Step 6: Final answer
    x = 28,154.41

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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.