Home / 40,479.90-55,846.98-40,417.53

Finding the Fourth Proportional to 40,479.90, 55,846.98 and 40,417.53

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Solution

The fourth proportional to 40,479.90, 55,846.98 and 40,417.53 is: 55,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.90 : 55,846.98 = 40,417.53 : x
  2. Step 2: Convert to fraction form
    40,479.90/55,846.98 = 40,417.53/x
  3. Step 3: Cross multiply
    40,479.90x = 55,846.98 × 40,417.53
  4. Step 4: Simplify right side
    40,479.90x = 2,257,196,989.56
  5. Step 5: Solve for x
    x = 2,257,196,989.56/40,479.90
  6. Step 6: Final answer
    x = 55,760.93

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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.