Home / 42,105.78-63,109.44-23,376.84

Finding the Fourth Proportional to 42,105.78, 63,109.44 and 23,376.84

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Solution

The fourth proportional to 42,105.78, 63,109.44 and 23,376.84 is: 35,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,105.78 : 63,109.44 = 23,376.84 : x
  2. Step 2: Convert to fraction form
    42,105.78/63,109.44 = 23,376.84/x
  3. Step 3: Cross multiply
    42,105.78x = 63,109.44 × 23,376.84
  4. Step 4: Simplify right side
    42,105.78x = 1,475,299,281.37
  5. Step 5: Solve for x
    x = 1,475,299,281.37/42,105.78
  6. Step 6: Final answer
    x = 35,037.93

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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.