Home / 42,122.37-63,181.56-10,532.64

Finding the Fourth Proportional to 42,122.37, 63,181.56 and 10,532.64

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Solution

The fourth proportional to 42,122.37, 63,181.56 and 10,532.64 is: 15,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.37 : 63,181.56 = 10,532.64 : x
  2. Step 2: Convert to fraction form
    42,122.37/63,181.56 = 10,532.64/x
  3. Step 3: Cross multiply
    42,122.37x = 63,181.56 × 10,532.64
  4. Step 4: Simplify right side
    42,122.37x = 665,468,626.12
  5. Step 5: Solve for x
    x = 665,468,626.12/42,122.37
  6. Step 6: Final answer
    x = 15,798.46

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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.