Home / 38,039,405.25-52,494,379.25-21,742,231.17

Finding the Fourth Proportional to 38,039,405.25, 52,494,379.25 and 21,742,231.17

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Solution

The fourth proportional to 38,039,405.25, 52,494,379.25 and 21,742,231.17 is: 30,004,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039,405.25 : 52,494,379.25 = 21,742,231.17 : x
  2. Step 2: Convert to fraction form
    38,039,405.25/52,494,379.25 = 21,742,231.17/x
  3. Step 3: Cross multiply
    38,039,405.25x = 52,494,379.25 × 21,742,231.17
  4. Step 4: Simplify right side
    38,039,405.25x = 1,141,344,928,779,151.25
  5. Step 5: Solve for x
    x = 1,141,344,928,779,151.25/38,039,405.25
  6. Step 6: Final answer
    x = 30,004,279.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.