Home / 29,474.12-40,668.31-28,461.57

Finding the Fourth Proportional to 29,474.12, 40,668.31 and 28,461.57

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Solution

The fourth proportional to 29,474.12, 40,668.31 and 28,461.57 is: 39,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.12 : 40,668.31 = 28,461.57 : x
  2. Step 2: Convert to fraction form
    29,474.12/40,668.31 = 28,461.57/x
  3. Step 3: Cross multiply
    29,474.12x = 40,668.31 × 28,461.57
  4. Step 4: Simplify right side
    29,474.12x = 1,157,483,951.85
  5. Step 5: Solve for x
    x = 1,157,483,951.85/29,474.12
  6. Step 6: Final answer
    x = 39,271.20

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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.