Home / 38,784.39-58,182.05-13,819.08

Finding the Fourth Proportional to 38,784.39, 58,182.05 and 13,819.08

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Solution

The fourth proportional to 38,784.39, 58,182.05 and 13,819.08 is: 20,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.39 : 58,182.05 = 13,819.08 : x
  2. Step 2: Convert to fraction form
    38,784.39/58,182.05 = 13,819.08/x
  3. Step 3: Cross multiply
    38,784.39x = 58,182.05 × 13,819.08
  4. Step 4: Simplify right side
    38,784.39x = 804,022,403.51
  5. Step 5: Solve for x
    x = 804,022,403.51/38,784.39
  6. Step 6: Final answer
    x = 20,730.57

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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.