Home / 40,776.90-56,267.60-22,868.20

Finding the Fourth Proportional to 40,776.90, 56,267.60 and 22,868.20

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Solution

The fourth proportional to 40,776.90, 56,267.60 and 22,868.20 is: 31,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.90 : 56,267.60 = 22,868.20 : x
  2. Step 2: Convert to fraction form
    40,776.90/56,267.60 = 22,868.20/x
  3. Step 3: Cross multiply
    40,776.90x = 56,267.60 × 22,868.20
  4. Step 4: Simplify right side
    40,776.90x = 1,286,738,730.32
  5. Step 5: Solve for x
    x = 1,286,738,730.32/40,776.90
  6. Step 6: Final answer
    x = 31,555.58

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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.