Home / 42,160.31-63,189.70-15,484.85

Finding the Fourth Proportional to 42,160.31, 63,189.70 and 15,484.85

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Solution

The fourth proportional to 42,160.31, 63,189.70 and 15,484.85 is: 23,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160.31 : 63,189.70 = 15,484.85 : x
  2. Step 2: Convert to fraction form
    42,160.31/63,189.70 = 15,484.85/x
  3. Step 3: Cross multiply
    42,160.31x = 63,189.70 × 15,484.85
  4. Step 4: Simplify right side
    42,160.31x = 978,483,026.05
  5. Step 5: Solve for x
    x = 978,483,026.05/42,160.31
  6. Step 6: Final answer
    x = 23,208.63

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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.