Home / 29,461.93-40,671.37-18,857.71

Finding the Fourth Proportional to 29,461.93, 40,671.37 and 18,857.71

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Solution

The fourth proportional to 29,461.93, 40,671.37 and 18,857.71 is: 26,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,461.93 : 40,671.37 = 18,857.71 : x
  2. Step 2: Convert to fraction form
    29,461.93/40,671.37 = 18,857.71/x
  3. Step 3: Cross multiply
    29,461.93x = 40,671.37 × 18,857.71
  4. Step 4: Simplify right side
    29,461.93x = 766,968,869.10
  5. Step 5: Solve for x
    x = 766,968,869.10/29,461.93
  6. Step 6: Final answer
    x = 26,032.54

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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.