Home / 74,830.10-112,244.87-19,426.10

Finding the Fourth Proportional to 74,830.10, 112,244.87 and 19,426.10

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Solution

The fourth proportional to 74,830.10, 112,244.87 and 19,426.10 is: 29,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.10 : 112,244.87 = 19,426.10 : x
  2. Step 2: Convert to fraction form
    74,830.10/112,244.87 = 19,426.10/x
  3. Step 3: Cross multiply
    74,830.10x = 112,244.87 × 19,426.10
  4. Step 4: Simplify right side
    74,830.10x = 2,180,479,556.45
  5. Step 5: Solve for x
    x = 2,180,479,556.45/74,830.10
  6. Step 6: Final answer
    x = 29,139.07

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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.