Home / 38,778.01-58,164.70-13,816.74

Finding the Fourth Proportional to 38,778.01, 58,164.70 and 13,816.74

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Solution

The fourth proportional to 38,778.01, 58,164.70 and 13,816.74 is: 20,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.01 : 58,164.70 = 13,816.74 : x
  2. Step 2: Convert to fraction form
    38,778.01/58,164.70 = 13,816.74/x
  3. Step 3: Cross multiply
    38,778.01x = 58,164.70 × 13,816.74
  4. Step 4: Simplify right side
    38,778.01x = 803,646,537.08
  5. Step 5: Solve for x
    x = 803,646,537.08/38,778.01
  6. Step 6: Final answer
    x = 20,724.29

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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.