Home / 49,649.12-68,509.68-29,506.40

Finding the Fourth Proportional to 49,649.12, 68,509.68 and 29,506.40

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Solution

The fourth proportional to 49,649.12, 68,509.68 and 29,506.40 is: 40,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.12 : 68,509.68 = 29,506.40 : x
  2. Step 2: Convert to fraction form
    49,649.12/68,509.68 = 29,506.40/x
  3. Step 3: Cross multiply
    49,649.12x = 68,509.68 × 29,506.40
  4. Step 4: Simplify right side
    49,649.12x = 2,021,474,021.95
  5. Step 5: Solve for x
    x = 2,021,474,021.95/49,649.12
  6. Step 6: Final answer
    x = 40,715.20

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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.