Home / 40,686.24-56,142.08-22,779.84

Finding the Fourth Proportional to 40,686.24, 56,142.08 and 22,779.84

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Solution

The fourth proportional to 40,686.24, 56,142.08 and 22,779.84 is: 31,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.24 : 56,142.08 = 22,779.84 : x
  2. Step 2: Convert to fraction form
    40,686.24/56,142.08 = 22,779.84/x
  3. Step 3: Cross multiply
    40,686.24x = 56,142.08 × 22,779.84
  4. Step 4: Simplify right side
    40,686.24x = 1,278,907,599.67
  5. Step 5: Solve for x
    x = 1,278,907,599.67/40,686.24
  6. Step 6: Final answer
    x = 31,433.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.