Home / 32,840.91-45,320.50-18,693.75

Finding the Fourth Proportional to 32,840.91, 45,320.50 and 18,693.75

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Solution

The fourth proportional to 32,840.91, 45,320.50 and 18,693.75 is: 25,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,840.91 : 45,320.50 = 18,693.75 : x
  2. Step 2: Convert to fraction form
    32,840.91/45,320.50 = 18,693.75/x
  3. Step 3: Cross multiply
    32,840.91x = 45,320.50 × 18,693.75
  4. Step 4: Simplify right side
    32,840.91x = 847,210,096.88
  5. Step 5: Solve for x
    x = 847,210,096.88/32,840.91
  6. Step 6: Final answer
    x = 25,797.40

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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.