Home / 38,783.39-58,180.55-13,818.08

Finding the Fourth Proportional to 38,783.39, 58,180.55 and 13,818.08

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Solution

The fourth proportional to 38,783.39, 58,180.55 and 13,818.08 is: 20,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.39 : 58,180.55 = 13,818.08 : x
  2. Step 2: Convert to fraction form
    38,783.39/58,180.55 = 13,818.08/x
  3. Step 3: Cross multiply
    38,783.39x = 58,180.55 × 13,818.08
  4. Step 4: Simplify right side
    38,783.39x = 803,943,570.70
  5. Step 5: Solve for x
    x = 803,943,570.70/38,783.39
  6. Step 6: Final answer
    x = 20,729.07

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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.