Home / 32,840.27-45,311.22-20,088.78

Finding the Fourth Proportional to 32,840.27, 45,311.22 and 20,088.78

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Solution

The fourth proportional to 32,840.27, 45,311.22 and 20,088.78 is: 27,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,840.27 : 45,311.22 = 20,088.78 : x
  2. Step 2: Convert to fraction form
    32,840.27/45,311.22 = 20,088.78/x
  3. Step 3: Cross multiply
    32,840.27x = 45,311.22 × 20,088.78
  4. Step 4: Simplify right side
    32,840.27x = 910,247,130.11
  5. Step 5: Solve for x
    x = 910,247,130.11/32,840.27
  6. Step 6: Final answer
    x = 27,717.41

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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.