Home / 42,181.47-63,285.37-12,600.47

Finding the Fourth Proportional to 42,181.47, 63,285.37 and 12,600.47

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Solution

The fourth proportional to 42,181.47, 63,285.37 and 12,600.47 is: 18,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,181.47 : 63,285.37 = 12,600.47 : x
  2. Step 2: Convert to fraction form
    42,181.47/63,285.37 = 12,600.47/x
  3. Step 3: Cross multiply
    42,181.47x = 63,285.37 × 12,600.47
  4. Step 4: Simplify right side
    42,181.47x = 797,425,532.84
  5. Step 5: Solve for x
    x = 797,425,532.84/42,181.47
  6. Step 6: Final answer
    x = 18,904.64

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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.