Home / 45,423.45-62,640.84-34,649.19

Finding the Fourth Proportional to 45,423.45, 62,640.84 and 34,649.19

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Solution

The fourth proportional to 45,423.45, 62,640.84 and 34,649.19 is: 47,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.45 : 62,640.84 = 34,649.19 : x
  2. Step 2: Convert to fraction form
    45,423.45/62,640.84 = 34,649.19/x
  3. Step 3: Cross multiply
    45,423.45x = 62,640.84 × 34,649.19
  4. Step 4: Simplify right side
    45,423.45x = 2,170,454,366.92
  5. Step 5: Solve for x
    x = 2,170,454,366.92/45,423.45
  6. Step 6: Final answer
    x = 47,782.68

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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.