Home / 42,230.50-63,345.75-15,929.10

Finding the Fourth Proportional to 42,230.50, 63,345.75 and 15,929.10

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Solution

The fourth proportional to 42,230.50, 63,345.75 and 15,929.10 is: 23,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.50 : 63,345.75 = 15,929.10 : x
  2. Step 2: Convert to fraction form
    42,230.50/63,345.75 = 15,929.10/x
  3. Step 3: Cross multiply
    42,230.50x = 63,345.75 × 15,929.10
  4. Step 4: Simplify right side
    42,230.50x = 1,009,040,786.33
  5. Step 5: Solve for x
    x = 1,009,040,786.33/42,230.50
  6. Step 6: Final answer
    x = 23,893.65

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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.