Home / 32,757.90-45,201.34-18,415.77

Finding the Fourth Proportional to 32,757.90, 45,201.34 and 18,415.77

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Solution

The fourth proportional to 32,757.90, 45,201.34 and 18,415.77 is: 25,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,757.90 : 45,201.34 = 18,415.77 : x
  2. Step 2: Convert to fraction form
    32,757.90/45,201.34 = 18,415.77/x
  3. Step 3: Cross multiply
    32,757.90x = 45,201.34 × 18,415.77
  4. Step 4: Simplify right side
    32,757.90x = 832,417,389.05
  5. Step 5: Solve for x
    x = 832,417,389.05/32,757.90
  6. Step 6: Final answer
    x = 25,411.20

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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.