Home / 32,880.30-45,363.72-18,723.12

Finding the Fourth Proportional to 32,880.30, 45,363.72 and 18,723.12

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Solution

The fourth proportional to 32,880.30, 45,363.72 and 18,723.12 is: 25,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.30 : 45,363.72 = 18,723.12 : x
  2. Step 2: Convert to fraction form
    32,880.30/45,363.72 = 18,723.12/x
  3. Step 3: Cross multiply
    32,880.30x = 45,363.72 × 18,723.12
  4. Step 4: Simplify right side
    32,880.30x = 849,350,373.21
  5. Step 5: Solve for x
    x = 849,350,373.21/32,880.30
  6. Step 6: Final answer
    x = 25,831.59

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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.