Home / 42,759.06-64,135.35-15,037.62

Finding the Fourth Proportional to 42,759.06, 64,135.35 and 15,037.62

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Solution

The fourth proportional to 42,759.06, 64,135.35 and 15,037.62 is: 22,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,759.06 : 64,135.35 = 15,037.62 : x
  2. Step 2: Convert to fraction form
    42,759.06/64,135.35 = 15,037.62/x
  3. Step 3: Cross multiply
    42,759.06x = 64,135.35 × 15,037.62
  4. Step 4: Simplify right side
    42,759.06x = 964,443,021.87
  5. Step 5: Solve for x
    x = 964,443,021.87/42,759.06
  6. Step 6: Final answer
    x = 22,555.29

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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.