Home / 38,729.40-53,458.02-22,818.99

Finding the Fourth Proportional to 38,729.40, 53,458.02 and 22,818.99

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Solution

The fourth proportional to 38,729.40, 53,458.02 and 22,818.99 is: 31,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.40 : 53,458.02 = 22,818.99 : x
  2. Step 2: Convert to fraction form
    38,729.40/53,458.02 = 22,818.99/x
  3. Step 3: Cross multiply
    38,729.40x = 53,458.02 × 22,818.99
  4. Step 4: Simplify right side
    38,729.40x = 1,219,858,023.80
  5. Step 5: Solve for x
    x = 1,219,858,023.80/38,729.40
  6. Step 6: Final answer
    x = 31,496.95

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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.