Home / 31,065,872.48-42,870,951.28-17,314,541.36

Finding the Fourth Proportional to 31,065,872.48, 42,870,951.28 and 17,314,541.36

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Solution

The fourth proportional to 31,065,872.48, 42,870,951.28 and 17,314,541.36 is: 23,894,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,872.48 : 42,870,951.28 = 17,314,541.36 : x
  2. Step 2: Convert to fraction form
    31,065,872.48/42,870,951.28 = 17,314,541.36/x
  3. Step 3: Cross multiply
    31,065,872.48x = 42,870,951.28 × 17,314,541.36
  4. Step 4: Simplify right side
    31,065,872.48x = 742,290,859,080,104.88
  5. Step 5: Solve for x
    x = 742,290,859,080,104.88/31,065,872.48
  6. Step 6: Final answer
    x = 23,894,093.42

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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.