Home / 29,406.21-40,580.76-15,977.45

Finding the Fourth Proportional to 29,406.21, 40,580.76 and 15,977.45

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Solution

The fourth proportional to 29,406.21, 40,580.76 and 15,977.45 is: 22,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,406.21 : 40,580.76 = 15,977.45 : x
  2. Step 2: Convert to fraction form
    29,406.21/40,580.76 = 15,977.45/x
  3. Step 3: Cross multiply
    29,406.21x = 40,580.76 × 15,977.45
  4. Step 4: Simplify right side
    29,406.21x = 648,377,225.23
  5. Step 5: Solve for x
    x = 648,377,225.23/29,406.21
  6. Step 6: Final answer
    x = 22,048.99

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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.