Home / 38,902.08-58,368.96-18,112.80

Finding the Fourth Proportional to 38,902.08, 58,368.96 and 18,112.80

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Solution

The fourth proportional to 38,902.08, 58,368.96 and 18,112.80 is: 27,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,902.08 : 58,368.96 = 18,112.80 : x
  2. Step 2: Convert to fraction form
    38,902.08/58,368.96 = 18,112.80/x
  3. Step 3: Cross multiply
    38,902.08x = 58,368.96 × 18,112.80
  4. Step 4: Simplify right side
    38,902.08x = 1,057,225,298.69
  5. Step 5: Solve for x
    x = 1,057,225,298.69/38,902.08
  6. Step 6: Final answer
    x = 27,176.58

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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.