Home / 31,932.64-44,068.32-18,503.68

Finding the Fourth Proportional to 31,932.64, 44,068.32 and 18,503.68

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Solution

The fourth proportional to 31,932.64, 44,068.32 and 18,503.68 is: 25,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.64 : 44,068.32 = 18,503.68 : x
  2. Step 2: Convert to fraction form
    31,932.64/44,068.32 = 18,503.68/x
  3. Step 3: Cross multiply
    31,932.64x = 44,068.32 × 18,503.68
  4. Step 4: Simplify right side
    31,932.64x = 815,426,091.42
  5. Step 5: Solve for x
    x = 815,426,091.42/31,932.64
  6. Step 6: Final answer
    x = 25,535.82

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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.