Home / 42,138.14-63,216.62-15,843.11

Finding the Fourth Proportional to 42,138.14, 63,216.62 and 15,843.11

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Solution

The fourth proportional to 42,138.14, 63,216.62 and 15,843.11 is: 23,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.14 : 63,216.62 = 15,843.11 : x
  2. Step 2: Convert to fraction form
    42,138.14/63,216.62 = 15,843.11/x
  3. Step 3: Cross multiply
    42,138.14x = 63,216.62 × 15,843.11
  4. Step 4: Simplify right side
    42,138.14x = 1,001,547,528.60
  5. Step 5: Solve for x
    x = 1,001,547,528.60/42,138.14
  6. Step 6: Final answer
    x = 23,768.20

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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.