Home / 41,000.90-56,612.40-40,347.20

Finding the Fourth Proportional to 41,000.90, 56,612.40 and 40,347.20

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Solution

The fourth proportional to 41,000.90, 56,612.40 and 40,347.20 is: 55,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,000.90 : 56,612.40 = 40,347.20 : x
  2. Step 2: Convert to fraction form
    41,000.90/56,612.40 = 40,347.20/x
  3. Step 3: Cross multiply
    41,000.90x = 56,612.40 × 40,347.20
  4. Step 4: Simplify right side
    41,000.90x = 2,284,151,825.28
  5. Step 5: Solve for x
    x = 2,284,151,825.28/41,000.90
  6. Step 6: Final answer
    x = 55,709.80

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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.