Home / 38,069.22-57,030.39-21,378.63

Finding the Fourth Proportional to 38,069.22, 57,030.39 and 21,378.63

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Solution

The fourth proportional to 38,069.22, 57,030.39 and 21,378.63 is: 32,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,069.22 : 57,030.39 = 21,378.63 : x
  2. Step 2: Convert to fraction form
    38,069.22/57,030.39 = 21,378.63/x
  3. Step 3: Cross multiply
    38,069.22x = 57,030.39 × 21,378.63
  4. Step 4: Simplify right side
    38,069.22x = 1,219,231,606.57
  5. Step 5: Solve for x
    x = 1,219,231,606.57/38,069.22
  6. Step 6: Final answer
    x = 32,026.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.