Home / 38,428.45-57,256.28-36,279.84

Finding the Fourth Proportional to 38,428.45, 57,256.28 and 36,279.84

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Solution

The fourth proportional to 38,428.45, 57,256.28 and 36,279.84 is: 54,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.45 : 57,256.28 = 36,279.84 : x
  2. Step 2: Convert to fraction form
    38,428.45/57,256.28 = 36,279.84/x
  3. Step 3: Cross multiply
    38,428.45x = 57,256.28 × 36,279.84
  4. Step 4: Simplify right side
    38,428.45x = 2,077,248,677.40
  5. Step 5: Solve for x
    x = 2,077,248,677.40/38,428.45
  6. Step 6: Final answer
    x = 54,054.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.