Home / 32,983.64-45,492.51-20,722.61

Finding the Fourth Proportional to 32,983.64, 45,492.51 and 20,722.61

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Solution

The fourth proportional to 32,983.64, 45,492.51 and 20,722.61 is: 28,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,983.64 : 45,492.51 = 20,722.61 : x
  2. Step 2: Convert to fraction form
    32,983.64/45,492.51 = 20,722.61/x
  3. Step 3: Cross multiply
    32,983.64x = 45,492.51 × 20,722.61
  4. Step 4: Simplify right side
    32,983.64x = 942,723,315.19
  5. Step 5: Solve for x
    x = 942,723,315.19/32,983.64
  6. Step 6: Final answer
    x = 28,581.55

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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.