Home / 42,345.54-63,518.31-11,181.06

Finding the Fourth Proportional to 42,345.54, 63,518.31 and 11,181.06

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Solution

The fourth proportional to 42,345.54, 63,518.31 and 11,181.06 is: 16,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345.54 : 63,518.31 = 11,181.06 : x
  2. Step 2: Convert to fraction form
    42,345.54/63,518.31 = 11,181.06/x
  3. Step 3: Cross multiply
    42,345.54x = 63,518.31 × 11,181.06
  4. Step 4: Simplify right side
    42,345.54x = 710,202,035.21
  5. Step 5: Solve for x
    x = 710,202,035.21/42,345.54
  6. Step 6: Final answer
    x = 16,771.59

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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.