Home / 42,145.14-63,168.75-15,833.10

Finding the Fourth Proportional to 42,145.14, 63,168.75 and 15,833.10

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Solution

The fourth proportional to 42,145.14, 63,168.75 and 15,833.10 is: 23,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.14 : 63,168.75 = 15,833.10 : x
  2. Step 2: Convert to fraction form
    42,145.14/63,168.75 = 15,833.10/x
  3. Step 3: Cross multiply
    42,145.14x = 63,168.75 × 15,833.10
  4. Step 4: Simplify right side
    42,145.14x = 1,000,157,135.63
  5. Step 5: Solve for x
    x = 1,000,157,135.63/42,145.14
  6. Step 6: Final answer
    x = 23,731.26

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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.