Home / 32,900.10-45,403.32-18,750.66

Finding the Fourth Proportional to 32,900.10, 45,403.32 and 18,750.66

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Solution

The fourth proportional to 32,900.10, 45,403.32 and 18,750.66 is: 25,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.10 : 45,403.32 = 18,750.66 : x
  2. Step 2: Convert to fraction form
    32,900.10/45,403.32 = 18,750.66/x
  3. Step 3: Cross multiply
    32,900.10x = 45,403.32 × 18,750.66
  4. Step 4: Simplify right side
    32,900.10x = 851,342,216.19
  5. Step 5: Solve for x
    x = 851,342,216.19/32,900.10
  6. Step 6: Final answer
    x = 25,876.58

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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.