Home / 38,047.69-56,998.89-21,357.10

Finding the Fourth Proportional to 38,047.69, 56,998.89 and 21,357.10

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Solution

The fourth proportional to 38,047.69, 56,998.89 and 21,357.10 is: 31,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,047.69 : 56,998.89 = 21,357.10 : x
  2. Step 2: Convert to fraction form
    38,047.69/56,998.89 = 21,357.10/x
  3. Step 3: Cross multiply
    38,047.69x = 56,998.89 × 21,357.10
  4. Step 4: Simplify right side
    38,047.69x = 1,217,330,993.62
  5. Step 5: Solve for x
    x = 1,217,330,993.62/38,047.69
  6. Step 6: Final answer
    x = 31,994.87

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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.