Home / 29,142.37-43,712.51-9,420.41

Finding the Fourth Proportional to 29,142.37, 43,712.51 and 9,420.41

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Solution

The fourth proportional to 29,142.37, 43,712.51 and 9,420.41 is: 14,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.37 : 43,712.51 = 9,420.41 : x
  2. Step 2: Convert to fraction form
    29,142.37/43,712.51 = 9,420.41/x
  3. Step 3: Cross multiply
    29,142.37x = 43,712.51 × 9,420.41
  4. Step 4: Simplify right side
    29,142.37x = 411,789,547.77
  5. Step 5: Solve for x
    x = 411,789,547.77/29,142.37
  6. Step 6: Final answer
    x = 14,130.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.